wxWidgets/samples/ipc/client.cpp
Vadim Zeitlin b7e1921351 some warnings fixed
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6606 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-03-11 00:47:45 +00:00

232 lines
5.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: client.cpp
// Purpose: DDE sample: client
// 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(__WXMOTIF__)
#include "mondrian.xpm"
#endif
#include "client.h"
// ----------------------------------------------------------------------------
// 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()
{
wxString server = "4242";
wxString hostName = wxGetHostName();
if (argc > 1)
server = 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, server, "IPC TEST");
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, server, "IPC TEST");
}
}
if (!the_connection->StartAdvise("Item"))
wxMessageBox("StartAdvise failed", "Client Demo Error");
// Create the main frame window
(new MyFrame(NULL, "Client"))->Show(TRUE);
return TRUE;
}
int MyApp::OnExit()
{
if (the_connection)
{
the_connection->Disconnect();
}
// will delete the connection too
delete my_client;
return 0;
}
// Define my frame constructor
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->Execute("Hello from the client!"))
wxMessageBox("Execute failed", "Client Demo Error");
}
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");
}
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");
}
}
void MyFrame::OnExit(wxCommandEvent& event)
{
Close();
}
wxConnectionBase *MyClient::OnMakeConnection()
{
return new MyConnection;
}
MyConnection::MyConnection()
: wxConnection(ipc_buffer, WXSIZEOF(ipc_buffer))
{
}
MyConnection::~MyConnection()
{
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;
}
bool MyConnection::OnDisconnect()
{
wxWindow *win = wxTheApp->GetTopWindow();
if ( win )
win->Destroy();
return TRUE;
}