///////////////////////////////////////////////////////////////////////////// // Name: server.cpp // Purpose: IPC sample: server // Author: Julian Smart // Modified by: // Created: 25/01/99 // RCS-ID: $Id$ // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ // declarations // ============================================================================ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #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(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) #include "mondrian.xpm" #endif #include "server.h" // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- IMPLEMENT_APP(MyApp) BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU (SERVER_EXIT, MyFrame::OnExit) 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; // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- // MyApp // ---------------------------------------------------------------------------- bool MyApp::OnInit() { // Create the main frame window (new MyFrame(NULL, "Server"))->Show(TRUE); // service name (DDE classes) or port number (TCP/IP based classes) wxString service = IPC_SERVICE; if (argc > 1) service = argv[1]; // Create a new server m_server = new MyServer; m_server->Create(service); return TRUE; } int MyApp::OnExit() { delete m_server; return 0; } // ---------------------------------------------------------------------------- // MyFrame // ---------------------------------------------------------------------------- // Define my frame constructor MyFrame::MyFrame(wxFrame *frame, const wxString& title) : wxFrame(frame, -1, title, wxDefaultPosition, wxSize(350, 250)) { CreateStatusBar(); // Give it an icon SetIcon(wxICON(mondrian)); // Make a menubar wxMenu *file_menu = new wxMenu; file_menu->Append(SERVER_EXIT, "&Quit\tCtrl-Q"); wxMenuBar *menu_bar = new wxMenuBar; menu_bar->Append(file_menu, "&File"); // Associate the menu bar with the frame SetMenuBar(menu_bar); // Make a listbox wxListBox *list = new wxListBox(this, SERVER_LISTBOX, wxPoint(5, 5)); list->Append("Apple"); list->Append("Pear"); list->Append("Orange"); list->Append("Banana"); list->Append("Fruit"); } // Set the client process's listbox to this item void MyFrame::OnListBoxClick(wxCommandEvent& WXUNUSED(event)) { wxListBox* listBox = (wxListBox*) FindWindow(SERVER_LISTBOX); if (listBox) { wxString value = listBox->GetStringSelection(); if (the_connection) { the_connection->Advise(IPC_ADVISE_NAME, (wxChar *)value.c_str()); } } } void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event)) { Close(TRUE); } // ---------------------------------------------------------------------------- // IPCDialogBox // ---------------------------------------------------------------------------- IPCDialogBox::IPCDialogBox(wxWindow *parent, const wxString& title, const wxPoint& pos, const wxSize& size, MyConnection *connection) : wxDialog(parent, -1, title, pos, size) { m_connection = connection; (void)new wxButton(this, SERVER_QUIT_BUTTON, "Quit this connection", wxPoint(5, 5)); Fit(); } void IPCDialogBox::OnQuit(wxCommandEvent& event) { m_connection->Disconnect(); delete m_connection; } // ---------------------------------------------------------------------------- // MyServer // ---------------------------------------------------------------------------- wxConnectionBase *MyServer::OnAcceptConnection(const wxString& topic) { if ( topic == IPC_TOPIC ) return new MyConnection(ipc_buffer, WXSIZEOF(ipc_buffer)); // unknown topic return NULL; } // ---------------------------------------------------------------------------- // MyConnection // ---------------------------------------------------------------------------- MyConnection::MyConnection(char *buf, int size) : wxConnection(buf, size) { dialog = new IPCDialogBox(wxTheApp->GetTopWindow(), "Connection", wxPoint(100, 100), wxSize(500, 500), this); dialog->Show(TRUE); the_connection = this; } MyConnection::~MyConnection() { if (the_connection) { dialog->Destroy(); the_connection = NULL; } } bool MyConnection::OnExecute(const wxString& WXUNUSED(topic), char *data, int WXUNUSED(size), wxIPCFormat WXUNUSED(format)) { wxLogStatus("Execute command: %s", data); return TRUE; } bool MyConnection::OnPoke(const wxString& WXUNUSED(topic), const wxString& item, char *data, int WXUNUSED(size), wxIPCFormat WXUNUSED(format)) { wxLogStatus("Poke command: %s = %s", item.c_str(), data); return TRUE; } char *MyConnection::OnRequest(const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), int * WXUNUSED(size), wxIPCFormat WXUNUSED(format)) { return "Here, have your data, client!"; } bool MyConnection::OnStartAdvise(const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item)) { return TRUE; }