X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/70d26c3f4ffb24d50457d405c9595fd23f9e5b7c..015e69f36dfbc469eef59456f973d0567e865d70:/samples/ipc/client.cpp?ds=sidebyside diff --git a/samples/ipc/client.cpp b/samples/ipc/client.cpp index 616ef99d80..9b694cc696 100644 --- a/samples/ipc/client.cpp +++ b/samples/ipc/client.cpp @@ -9,15 +9,23 @@ // 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 @@ -31,189 +39,195 @@ #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)); + // service name (DDE classes) or port number (TCP/IP based classes) + wxString service = "4242"; - // Give it an icon - frame->SetIcon(wxICON(mondrian)); + // ignored under DDE, host name in TCP/IP based classes + wxString hostName = "localhost"; - // Make a menubar - wxMenu *file_menu = new wxMenu; + if (argc > 1) + service = argv[1]; + if (argc > 2) + hostName = argv[2]; - file_menu->Append(CLIENT_EXECUTE, "Execute"); - file_menu->Append(CLIENT_REQUEST, "Request"); - file_menu->Append(CLIENT_POKE, "Poke"); - file_menu->Append(CLIENT_QUIT, "Quit"); + // Create a new client + my_client = new MyClient; - wxMenuBar *menu_bar = new wxMenuBar; + // suppress the log messages from MakeConnection() + { + wxLogNull nolog; + the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, "IPC TEST"); - menu_bar->Append(file_menu, "File"); + 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; + } - // Associate the menu bar with the frame - frame->SetMenuBar(menu_bar); + the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, "IPC TEST"); + } + } - // 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"); + if (!the_connection->StartAdvise("Item")) + wxMessageBox("StartAdvise failed", "Client Demo Error"); - frame->panel->Fit(); - frame->Fit(); + // Create the main frame window + (new MyFrame(NULL, "Client"))->Show(TRUE); - 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; + 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(); -} - -// Define the behaviour for the frame closing -void MyFrame::OnCloseWindow(wxCloseEvent& event) -{ - if (the_connection) - { - the_connection->Disconnect(); - } - this->Destroy(); + Close(); } -MyClient::MyClient(void) +wxConnectionBase *MyClient::OnMakeConnection() { + return new MyConnection; } -wxConnectionBase *MyClient::OnMakeConnection(void) +MyConnection::MyConnection() + : wxConnection(ipc_buffer, WXSIZEOF(ipc_buffer)) { - return new MyConnection; } -MyConnection::MyConnection(void):wxConnection(ipc_buffer, 3999) +MyConnection::~MyConnection() { -} - -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; }