Applied patch [ 1263950 ] wxConnection fixes for Unicode

By Jurgen Doornik


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35470 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart 2005-09-11 18:31:34 +00:00
parent 41884be320
commit 9d86099269
7 changed files with 772 additions and 272 deletions

View File

@ -2,7 +2,7 @@
// Name: client.cpp
// Purpose: DDE sample: client
// Author: Julian Smart
// Modified by:
// Modified by: Jurgen Doornik
// Created: 25/01/99
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
@ -30,12 +30,13 @@
// Settings common to both executables: determines whether
// we're using TCP/IP or real DDE.
#include "ddesetup.h"
#include "ipcsetup.h"
#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
#include "mondrian.xpm"
#endif
#include "wx/datetime.h"
#include "client.h"
// ----------------------------------------------------------------------------
@ -45,21 +46,24 @@
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)
EVT_MENU(wxID_EXIT, MyFrame::OnExit)
EVT_CLOSE( MyFrame::OnClose )
EVT_BUTTON( ID_START, MyFrame::OnStart )
EVT_CHOICE( ID_SERVERNAME, MyFrame::OnServername )
EVT_CHOICE( ID_HOSTNAME, MyFrame::OnHostname )
EVT_CHOICE( ID_TOPIC, MyFrame::OnTopic )
EVT_BUTTON( ID_DISCONNECT, MyFrame::OnDisconnect )
EVT_BUTTON( ID_STARTADVISE, MyFrame::OnStartAdvise )
EVT_BUTTON( ID_STOPADVISE, MyFrame::OnStopAdvise )
EVT_BUTTON( ID_POKE, MyFrame::OnPoke )
EVT_BUTTON( ID_EXECUTE, MyFrame::OnExecute )
EVT_BUTTON( ID_REQUEST, MyFrame::OnRequest )
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
wxListBox *the_list = NULL;
MyConnection *the_connection = NULL;
MyClient *my_client;
// ============================================================================
// implementation
// ============================================================================
@ -72,66 +76,22 @@ MyClient *my_client;
// main frame
bool MyApp::OnInit()
{
// 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 = _T("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(_T("Failed to make connection to server.\nRetry?"),
_T("Client Demo Error"),
wxICON_ERROR | wxYES_NO | wxCANCEL ) != wxYES )
{
// no server
return false;
}
the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, _T("IPC TEST"));
}
}
if (!the_connection->StartAdvise(IPC_ADVISE_NAME))
wxMessageBox(_T("StartAdvise failed"), _T("Client Demo Error"));
// Create the main frame window
(new MyFrame(NULL, _T("Client")))->Show(true);
m_frame = new MyFrame(NULL, _T("Client"));
m_frame->Show(true);
return true;
}
int MyApp::OnExit()
{
// 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.
// another Update: in fact it's because OnDisconnect should delete it, but
// it wasn't
delete my_client;
return 0;
}
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title)
: wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(300, 200))
: wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300))
{
// Give it an icon
SetIcon(wxICON(mondrian));
@ -139,10 +99,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title)
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(CLIENT_EXECUTE, _T("&Execute\tCtrl-E"));
file_menu->Append(CLIENT_REQUEST, _T("&Request\tCtrl-R"));
file_menu->Append(CLIENT_POKE, _T("&Poke\tCtrl-P"));
file_menu->Append(CLIENT_QUIT, _T("&Quit\tCtrl-Q"));
file_menu->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
wxMenuBar *menu_bar = new wxMenuBar;
@ -151,39 +108,131 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title)
// Associate the menu bar with the frame
SetMenuBar(menu_bar);
// Make a listbox which shows the choices made in the server
the_list = new wxListBox(this, CLIENT_LISTBOX, wxPoint(5, 5));
the_list->Append(_T("Apple"));
the_list->Append(_T("Pear"));
the_list->Append(_T("Orange"));
the_list->Append(_T("Banana"));
the_list->Append(_T("Fruit"));
}
// set a dialog background
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event))
{
if (the_connection)
if (!the_connection->Execute(_T("Hello from the client!")))
wxMessageBox(_T("Execute failed"), _T("Client Demo Error"));
}
void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event))
{
if (the_connection)
if (!the_connection->Poke(_T("An item"), _T("Some data to poke at the server!")))
wxMessageBox(_T("Poke failed"), _T("Client Demo Error"));
}
void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event))
{
if (the_connection)
// add the controls to the frame
wxString strs4[] =
{
wxChar *data = the_connection->Request(_T("An item"));
if (data)
wxMessageBox(data, _T("Client: Request"), wxOK);
else
wxMessageBox(_T("Request failed"), _T("Client Demo Error"));
IPC_SERVICE, _T("...")
};
wxString strs5[] =
{
IPC_HOST, _T("...")
};
wxString strs6[] =
{
IPC_TOPIC, _T("...")
};
wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
wxBoxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );
wxGridSizer *item2 = new wxGridSizer( 4, 0, 0 );
wxButton *item3 = new wxButton( this, ID_START, wxT("Connect to server"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item3, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxChoice *item5 = new wxChoice( this, ID_HOSTNAME, wxDefaultPosition, wxSize(100,-1), 2, strs5, 0 );
item2->Add( item5, 0, wxALIGN_CENTER|wxALL, 5 );
wxChoice *item4 = new wxChoice( this, ID_SERVERNAME, wxDefaultPosition, wxSize(100,-1), 2, strs4, 0 );
item2->Add( item4, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxChoice *item6 = new wxChoice( this, ID_TOPIC, wxDefaultPosition, wxSize(100,-1), 2, strs6, 0 );
item2->Add( item6, 0, wxALIGN_CENTER|wxALL, 5 );
wxButton *item7 = new wxButton( this, ID_DISCONNECT, wxT("Disconnect "), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item7, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
wxButton *item8 = new wxButton( this, ID_STARTADVISE, wxT("StartAdvise"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item8, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxButton *item9 = new wxButton( this, ID_STOPADVISE, wxT("StopAdvise"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item9, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
wxButton *item10 = new wxButton( this, ID_EXECUTE, wxT("Execute"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item10, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
wxButton *item11 = new wxButton( this, ID_POKE, wxT("Poke"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item11, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
wxButton *item12 = new wxButton( this, ID_REQUEST, wxT("Request"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item12, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item1->Add( item2, 1, wxALIGN_CENTER|wxALL, 5 );
item0->Add( item1, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxStaticBox *item14 = new wxStaticBox( this, -1, wxT("Client log") );
wxStaticBoxSizer *item13 = new wxStaticBoxSizer( item14, wxVERTICAL );
wxTextCtrl *item15 = new wxTextCtrl( this, ID_LOG, wxT(""), wxDefaultPosition, wxSize(500,140), wxTE_MULTILINE );
item13->Add( item15, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item0->Add( item13, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
this->SetSizer( item0 );
item0->SetSizeHints( this );
// status
m_client = NULL;
GetServername()->SetSelection(0);
GetHostname()->SetSelection(0);
GetTopic()->SetSelection(0);
wxLogTextCtrl *logWindow = new wxLogTextCtrl(GetLog());
delete wxLog::SetActiveTarget(logWindow);
wxLogMessage(_T("Click on Connect to connect to the server"));
Enable();
}
void MyFrame::Enable()
{
GetStart()->Enable(m_client == NULL);
GetServername()->Enable(m_client == NULL);
GetHostname()->Enable(m_client == NULL);
GetTopic()->Enable(m_client == NULL);
GetDisconnect()->Enable(m_client && m_client->IsConnected() != NULL);
GetStartAdvise()->Enable(m_client && m_client->IsConnected() != NULL);
GetStopAdvise()->Enable(m_client && m_client->IsConnected() != NULL);
GetExecute()->Enable(m_client && m_client->IsConnected() != NULL);
GetPoke()->Enable(m_client && m_client->IsConnected() != NULL);
GetRequest()->Enable(m_client && m_client->IsConnected() != NULL);
}
void MyFrame::OnClose(wxCloseEvent& event)
{
if (m_client)
{
delete m_client;
m_client = NULL;
}
event.Skip();
}
void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
@ -191,31 +240,239 @@ void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
Close();
}
void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
{
// Connect to the client
wxString servername = GetServername()->GetStringSelection();
wxString hostname = GetHostname()->GetStringSelection();
wxString topic = GetTopic()->GetStringSelection();
m_client = new MyClient;
bool retval = m_client->Connect(hostname, servername, topic);
wxLogMessage(_T("Client host=\"%s\" port=\"%s\" topic=\"%s\" %s"),
hostname.c_str(), servername.c_str(), topic.c_str(),
retval ? _T("connected") : _T("failed to connect"));
if (!retval)
{
delete m_client;
m_client = NULL;
}
Enable();
}
void MyFrame::OnServername( wxCommandEvent& WXUNUSED(event) )
{
if (GetServername()->GetStringSelection() == _T("..."))
{
wxString s = wxGetTextFromUser(_T("Specify the name of the server"),
_T("Server Name"), _(""), this);
if (!s.IsEmpty() && s != IPC_SERVICE)
{
GetServername()->Insert(s, 0);
GetServername()->SetSelection(0);
}
}
}
void MyFrame::OnHostname( wxCommandEvent& WXUNUSED(event) )
{
if (GetHostname()->GetStringSelection() == _T("..."))
{
wxString s = wxGetTextFromUser(_T("Specify the name of the host (ignored under DDE)"),
_T("Host Name"), _(""), this);
if (!s.IsEmpty() && s != IPC_HOST)
{
GetHostname()->Insert(s, 0);
GetHostname()->SetSelection(0);
}
}
}
void MyFrame::OnTopic( wxCommandEvent& WXUNUSED(event) )
{
if (GetTopic()->GetStringSelection() == _T("..."))
{
wxString s = wxGetTextFromUser(_T("Specify the name of the topic"),
_T("Topic Name"), _(""), this);
if (!s.IsEmpty() && s != IPC_TOPIC)
{
GetTopic()->Insert(s, 0);
GetTopic()->SetSelection(0);
}
}
}
void MyFrame::OnDisconnect(wxCommandEvent& WXUNUSED(event))
{
Disconnect();
}
void MyFrame::Disconnect()
{
delete m_client;
m_client = NULL;
Enable();
}
void MyFrame::OnStartAdvise(wxCommandEvent& WXUNUSED(event))
{
m_client->GetConnection()->StartAdvise(_T("something"));
}
void MyFrame::OnStopAdvise(wxCommandEvent& WXUNUSED(event))
{
m_client->GetConnection()->StopAdvise(_T("something"));
}
void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event))
{
if (m_client->IsConnected())
{
wxString s = _T("Date");
m_client->GetConnection()->Execute((wxChar *)s.c_str());
m_client->GetConnection()->Execute((wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar));
#if wxUSE_DDE_FOR_IPC
wxLogMessage(_T("DDE Execute can only be used to send text strings, not arbitrary data.\nThe type argument will be ignored, text truncated, converted to Unicode and null terminated."));
#endif
char bytes[3];
bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
m_client->GetConnection()->Execute((wxChar *)bytes, 3, wxIPC_PRIVATE);
}
}
void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event))
{
if (m_client->IsConnected())
{
wxString s = wxDateTime::Now().Format();
m_client->GetConnection()->Poke(_T("Date"), (wxChar *)s.c_str());
s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
m_client->GetConnection()->Poke(_T("Date"), (wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar));
char bytes[3];
bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
m_client->GetConnection()->Poke(_T("bytes[3]"), (wxChar *)bytes, 3, wxIPC_PRIVATE);
}
}
void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event))
{
if (m_client->IsConnected())
{
int size;
m_client->GetConnection()->Request(_T("Date"));
m_client->GetConnection()->Request(_T("Date+len"), &size);
m_client->GetConnection()->Request(_T("bytes[3]"), &size, wxIPC_PRIVATE);
}
}
// ----------------------------------------------------------------------------
// MyClient
// ----------------------------------------------------------------------------
MyClient::MyClient() : wxClient()
{
m_connection = NULL;
}
bool MyClient::Connect(const wxString& sHost, const wxString& sService, const wxString& sTopic)
{
// suppress the log messages from MakeConnection()
wxLogNull nolog;
m_connection = (MyConnection *)MakeConnection(sHost, sService, sTopic);
return m_connection != NULL;
}
wxConnectionBase *MyClient::OnMakeConnection()
{
return new MyConnection;
}
bool MyConnection::OnAdvise(const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), wxChar *data, int WXUNUSED(size), wxIPCFormat WXUNUSED(format))
void MyClient::Disconnect()
{
if (the_list)
if (m_connection)
{
int n = the_list->FindString(data);
if (n > wxNOT_FOUND)
the_list->SetSelection(n);
m_connection->Disconnect();
delete m_connection;
m_connection = NULL;
wxGetApp().GetFrame()->Enable();
wxLogMessage(_T("Client disconnected from server"));
}
}
MyClient::~MyClient()
{
Disconnect();
}
// ----------------------------------------------------------------------------
// MyConnection
// ----------------------------------------------------------------------------
void MyConnection::Log(const wxString& command, const wxString& topic,
const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
wxString s;
if (topic.IsEmpty() && item.IsEmpty())
s.Printf(_T("%s("), command);
else if (topic.IsEmpty())
s.Printf(_T("%s(item=\"%s\","), command, item);
else if (item.IsEmpty())
s.Printf(_T("%s(topic=\"%s\","), command, topic);
else
s.Printf(_T("%s(topic=\"%s\",item=\"%s\","), command, topic, item);
if (format == wxIPC_TEXT || format == wxIPC_UNICODETEXT)
wxLogMessage(_T("%s\"%s\",%d)"), s, data, size);
else if (format == wxIPC_PRIVATE)
{
if (size == 3)
{
char *bytes = (char *)data;
wxLogMessage(_T("%s'%c%c%c',%d)"), s, bytes[0], bytes[1], bytes[2], size);
}
else
wxLogMessage(_T("%s...,%d)"), s, size);
}
else if (format == wxIPC_INVALID)
wxLogMessage(_T("%s[invalid data],%d)"), s, size);
}
bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, wxChar *data,
int size, wxIPCFormat format)
{
Log(_T("OnAdvise"), topic, item, data, size, format);
return true;
}
bool MyConnection::OnDisconnect()
{
// when connection is terminated, quit whole program
wxWindow *win = wxTheApp->GetTopWindow();
if ( win )
win->Destroy();
// delete self
the_connection = NULL;
return wxConnection::OnDisconnect();
wxLogMessage(_T("OnDisconnect()"));
wxGetApp().GetFrame()->Disconnect();
return true;
}
bool MyConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
{
Log(_T("Execute"), _T(""), _T(""), (wxChar *)data, size, format);
bool retval = wxConnection::Execute(data, size, format);
if (!retval)
wxLogMessage(_T("Execute failed!"));
return retval;
}
wxChar *MyConnection::Request(const wxString& item, int *size, wxIPCFormat format)
{
wxChar *data = wxConnection::Request(item, size, format);
Log(_T("Request"), _T(""), item, data, size ? *size : -1, format);
return data;
}
bool MyConnection::Poke(const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
Log(_T("Poke"), _T(""), item, data, size, format);
return wxConnection::Poke(item, data, size, format);
}

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@ -9,12 +9,32 @@
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#define ID_START 10000
#define ID_DISCONNECT 10001
#define ID_STARTADVISE 10002
#define ID_LOG 10003
#define ID_SERVERNAME 10004
#define ID_STOPADVISE 10005
#define ID_POKE 10006
#define ID_REQUEST 10007
#define ID_EXECUTE 10008
#define ID_TOPIC 10009
#define ID_HOSTNAME 10010
// Define a new application
class MyClient;
class MyConnection;
class MyFrame;
class MyApp: public wxApp
{
public:
virtual bool OnInit();
virtual int OnExit();
MyFrame *GetFrame() { return m_frame; };
protected:
MyFrame *m_frame;
};
// Define a new frame
@ -24,31 +44,65 @@ public:
MyFrame(wxFrame *frame, const wxString& title);
void OnExit(wxCommandEvent& event);
void OnClose(wxCloseEvent& event);
void Enable();
void Disconnect();
protected:
wxButton* GetStart() { return (wxButton*) FindWindow( ID_START ); }
wxChoice* GetServername() { return (wxChoice*) FindWindow( ID_SERVERNAME ); }
wxChoice* GetHostname() { return (wxChoice*) FindWindow( ID_HOSTNAME ); }
wxChoice* GetTopic() { return (wxChoice*) FindWindow( ID_TOPIC ); }
wxButton* GetDisconnect() { return (wxButton*) FindWindow( ID_DISCONNECT ); }
wxButton* GetStartAdvise() { return (wxButton*) FindWindow( ID_STARTADVISE ); }
wxButton* GetStopAdvise() { return (wxButton*) FindWindow( ID_STOPADVISE ); }
wxButton* GetRequest() { return (wxButton*) FindWindow( ID_REQUEST ); }
wxButton* GetPoke() { return (wxButton*) FindWindow( ID_POKE ); }
wxButton* GetExecute() { return (wxButton*) FindWindow( ID_EXECUTE ); }
wxTextCtrl* GetLog() { return (wxTextCtrl*) FindWindow( ID_LOG ); }
MyClient *m_client;
void OnStart( wxCommandEvent &event );
void OnServername( wxCommandEvent &event );
void OnHostname( wxCommandEvent &event );
void OnTopic( wxCommandEvent &event );
void OnDisconnect( wxCommandEvent &event );
void OnStartAdvise( wxCommandEvent &event );
void OnStopAdvise( wxCommandEvent &event );
void OnExecute(wxCommandEvent& event);
void OnPoke(wxCommandEvent& event);
void OnRequest(wxCommandEvent& event);
private:
wxPanel *panel;
protected:
DECLARE_EVENT_TABLE()
};
class MyConnection: public wxConnection
{
public:
bool OnAdvise(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
bool OnDisconnect();
virtual bool Execute(const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
virtual wxChar *Request(const wxString& item, int *size = NULL, wxIPCFormat format = wxIPC_TEXT);
virtual bool Poke(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
virtual bool OnAdvise(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
virtual bool OnDisconnect();
protected:
void MyConnection::Log(const wxString& command, const wxString& topic,
const wxString& item, wxChar *data, int size, wxIPCFormat format);
};
class MyClient: public wxClient
{
public:
MyClient();
~MyClient();
bool Connect(const wxString& sHost, const wxString& sService, const wxString& sTopic);
void Disconnect();
wxConnectionBase *OnMakeConnection();
bool IsConnected() { return m_connection != NULL; };
MyConnection *GetConnection() { return m_connection; };
protected:
MyConnection *m_connection;
};
#define CLIENT_QUIT wxID_EXIT
#define CLIENT_EXECUTE 2
#define CLIENT_REQUEST 3
#define CLIENT_POKE 4
#define CLIENT_LISTBOX 200

View File

@ -2,7 +2,7 @@
// Name: server.cpp
// Purpose: IPC sample: server
// Author: Julian Smart
// Modified by:
// Modified by: Jurgen Doornik
// Created: 25/01/99
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
@ -30,13 +30,15 @@
// Settings common to both executables: determines whether
// we're using TCP/IP or real DDE.
#include "ddesetup.h"
#include "ipcsetup.h"
#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
#include "mondrian.xpm"
#endif
#include "server.h"
#include "wx/textdlg.h"
#include "wx/datetime.h"
// ----------------------------------------------------------------------------
// wxWin macros
@ -45,19 +47,14 @@
IMPLEMENT_APP(MyApp)
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU (SERVER_EXIT, MyFrame::OnExit)
EVT_LISTBOX(SERVER_LISTBOX, MyFrame::OnListBoxClick)
EVT_MENU (wxID_EXIT, MyFrame::OnExit)
EVT_CLOSE( MyFrame::OnClose )
EVT_BUTTON( ID_START, MyFrame::OnStart )
EVT_CHOICE( ID_SERVERNAME, MyFrame::OnServerName )
EVT_BUTTON( ID_DISCONNECT, MyFrame::OnDisconnect )
EVT_BUTTON( ID_ADVISE, MyFrame::OnAdvise )
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(IPCDialogBox, wxDialog)
EVT_BUTTON(SERVER_QUIT_BUTTON, IPCDialogBox::OnQuit)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
MyConnection *the_connection = NULL;
// ============================================================================
// implementation
@ -70,25 +67,14 @@ MyConnection *the_connection = NULL;
bool MyApp::OnInit()
{
// Create the main frame window
(new MyFrame(NULL, _T("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);
m_frame = new MyFrame(NULL, _T("Server"));
m_frame->Show(true);
return true;
}
int MyApp::OnExit()
{
delete m_server;
return 0;
}
@ -98,7 +84,7 @@ int MyApp::OnExit()
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title)
: wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(350, 250))
: wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300))
{
#if wxUSE_STATUSBAR
CreateStatusBar();
@ -110,7 +96,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title)
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(SERVER_EXIT, _T("&Quit\tCtrl-Q"));
file_menu->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
wxMenuBar *menu_bar = new wxMenuBar;
@ -119,30 +105,77 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title)
// Associate the menu bar with the frame
SetMenuBar(menu_bar);
// Make a listbox
wxListBox *list = new wxListBox(this, SERVER_LISTBOX);
list->Append(_T("Apple"));
list->Append(_T("Pear"));
list->Append(_T("Orange"));
list->Append(_T("Banana"));
list->Append(_T("Fruit"));
// set a dialog background
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
// add the controls to the frame
wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
wxBoxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );
wxFlexGridSizer *item2 = new wxFlexGridSizer( 2, 0, 0 );
item2->AddGrowableCol( 1 );
wxButton *item3 = new wxButton( this, ID_START, wxT("Start Server"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item3, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxString strs4[] =
{
IPC_SERVICE, _T("...")
};
wxChoice *item4 = new wxChoice( this, ID_SERVERNAME, wxDefaultPosition, wxSize(100,-1), 2, strs4, 0 );
item2->Add( item4, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxButton *item5 = new wxButton( this, ID_DISCONNECT, wxT("Disconnect Client"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item5, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
wxButton *item6 = new wxButton( this, ID_ADVISE, wxT("Advise"), wxDefaultPosition, wxDefaultSize, 0 );
item2->Add( item6, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
item1->Add( item2, 1, wxALIGN_CENTER|wxALL, 5 );
item0->Add( item1, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
wxStaticBox *item8 = new wxStaticBox( this, -1, wxT("Server log") );
wxStaticBoxSizer *item7 = new wxStaticBoxSizer( item8, wxVERTICAL );
wxTextCtrl *item9 = new wxTextCtrl( this, ID_LOG, wxT(""), wxDefaultPosition, wxSize(500,140), wxTE_MULTILINE );
item7->Add( item9, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
item0->Add( item7, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
SetSizer( item0 );
item0->SetSizeHints( this );
// status
m_server = NULL;
GetServername()->SetSelection(0);
wxLogTextCtrl *logWindow = new wxLogTextCtrl(GetLog());
delete wxLog::SetActiveTarget(logWindow);
wxLogMessage(_T("Click on Start to start the server"));
Enable();
}
// Set the client process's listbox to this item
void MyFrame::OnListBoxClick(wxCommandEvent& WXUNUSED(event))
void MyFrame::Enable()
{
wxListBox* listBox = (wxListBox*) FindWindow(SERVER_LISTBOX);
if (listBox)
{
wxString value = listBox->GetStringSelection();
GetStart()->Enable(m_server == NULL);
GetServername()->Enable(m_server == NULL);
GetAdvise()->Enable(m_server && m_server->CanAdvise());
GetDisconnect()->Enable(m_server && m_server->IsConnected() != NULL);
}
/* Because the_connection only holds one connection, in this sample only
one connection can receive advise messages */
if (the_connection)
{
the_connection->Advise(IPC_ADVISE_NAME, (wxChar*)value.c_str());
}
void MyFrame::OnClose(wxCloseEvent& event)
{
if (m_server)
{
delete m_server;
m_server = NULL;
}
event.Skip();
}
void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
@ -150,48 +183,120 @@ 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, wxID_ANY, title, pos, size)
void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
{
m_connection = connection;
(void)new wxButton(this, SERVER_QUIT_BUTTON, _T("Quit this connection"),
wxPoint(5, 5));
Fit();
// Create a new server
m_server = new MyServer;
wxString servername = GetServername()->GetStringSelection();
if (m_server->Create(servername))
{
wxLogMessage(_T("Server %s started"), servername.c_str());
#if wxUSE_DDE_FOR_IPC
wxLogMessage(_T("Server uses DDE"));
#else // !wxUSE_DDE_FOR_IPC
wxLogMessage(_T("Server uses TCP"));
#endif // wxUSE_DDE_FOR_IPC/!wxUSE_DDE_FOR_IPC
}
else
{
wxLogMessage(_T("Server %s failed to start"), servername.c_str());
delete m_server;
m_server = NULL;
}
Enable();
}
IPCDialogBox::~IPCDialogBox( )
void MyFrame::OnServerName( wxCommandEvent& WXUNUSED(event) )
{
// wxWidgets exit code destroys dialog before destroying the connection in
// OnExit, so make sure connection won't try to delete the dialog later.
if (m_connection)
m_connection->dialog = NULL;
if (GetServername()->GetStringSelection() == _T("..."))
{
wxString s = wxGetTextFromUser(_T("Specify the name of the server"),
_T("Server Name"), _(""), this);
if (!s.IsEmpty() && s != IPC_SERVICE)
{
GetServername()->Insert(s, 0);
GetServername()->SetSelection(0);
}
}
}
void IPCDialogBox::OnQuit(wxCommandEvent& WXUNUSED(event))
void MyFrame::Disconnect()
{
m_connection->Disconnect();
delete m_connection;
m_server->Disconnect();
Enable();
}
void MyFrame::OnDisconnect(wxCommandEvent& WXUNUSED(event))
{
Disconnect();
}
void MyFrame::OnAdvise(wxCommandEvent& WXUNUSED(event))
{
m_server->Advise();
}
// ----------------------------------------------------------------------------
// MyServer
// ----------------------------------------------------------------------------
MyServer::MyServer() : wxServer()
{
m_connection = NULL;
}
MyServer::~MyServer()
{
Disconnect();
}
wxConnectionBase *MyServer::OnAcceptConnection(const wxString& topic)
{
if ( topic == IPC_TOPIC )
return new MyConnection();
wxLogMessage(_T("OnAcceptConnection(\"%s\")"), topic);
if ( topic == IPC_TOPIC )
{
m_connection = new MyConnection();
wxGetApp().GetFrame()->Enable();
wxLogMessage(_T("Connection accepted"));
return m_connection;
}
// unknown topic
return NULL;
}
void MyServer::Disconnect()
{
if (m_connection)
{
m_connection->Disconnect();
delete m_connection;
m_connection = NULL;
wxGetApp().GetFrame()->Enable();
wxLogMessage(_T("Disconnected client"));
}
}
void MyServer::Advise()
{
if (CanAdvise())
{
wxString s = wxDateTime::Now().Format();
m_connection->Advise(m_connection->m_sAdvise, (wxChar *)s.c_str());
s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
m_connection->Advise(m_connection->m_sAdvise, (wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar));
#if wxUSE_DDE_FOR_IPC
wxLogMessage(_T("DDE Advise type argument cannot be wxIPC_PRIVATE. The client will receive it as wxIPC_TEXT, and receive the correct no of bytes, but not print a correct log entry."));
#endif
char bytes[3];
bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
m_connection->Advise(m_connection->m_sAdvise, (wxChar *)bytes, 3, wxIPC_PRIVATE);
// this works, but the log treats it as a string now
// m_connection->Advise(m_connection->m_sAdvise, (wxChar *)bytes, 3, wxIPC_TEXT );
}
}
// ----------------------------------------------------------------------------
// MyConnection
// ----------------------------------------------------------------------------
@ -199,55 +304,115 @@ wxConnectionBase *MyServer::OnAcceptConnection(const wxString& topic)
MyConnection::MyConnection()
: wxConnection()
{
dialog = new IPCDialogBox(wxTheApp->GetTopWindow(), _T("Connection"),
wxDefaultPosition, wxDefaultSize, this);
dialog->Show(true);
the_connection = this;
}
MyConnection::~MyConnection()
{
if (the_connection)
}
bool MyConnection::OnExecute(const wxString& topic,
wxChar *data, int size, wxIPCFormat format)
{
Log(_T("OnExecute"), topic, _T(""), data, size, format);
return true;
}
bool MyConnection::OnPoke(const wxString& topic,
const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
Log(_T("OnPoke"), topic, item, data, size, format);
return wxConnection::OnPoke(topic, item, data, size, format);
}
wxChar *MyConnection::OnRequest(const wxString& topic,
const wxString& item, int * size, wxIPCFormat format)
{
wxChar *data;
if (item == _T("Date"))
{
if (dialog)
{
dialog->m_connection = NULL;
dialog->Destroy();
}
the_connection = NULL;
m_sRequestDate = wxDateTime::Now().Format();
data = (wxChar *)m_sRequestDate.c_str();
*size = -1;
}
else if (item == _T("Date+len"))
{
m_sRequestDate = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
data = (wxChar *)m_sRequestDate.c_str();
*size = (m_sRequestDate.Length() + 1) * sizeof(wxChar);
}
else if (item == _T("bytes[3]"))
{
data = (wxChar *)m_achRequestBytes;
m_achRequestBytes[0] = '1'; m_achRequestBytes[1] = '2'; m_achRequestBytes[2] = '3';
*size = 3;
}
else
{
data = NULL;
*size = 0;
}
Log(_T("OnRequest"), topic, item, data, *size, format);
return data;
}
bool MyConnection::OnExecute(const wxString& WXUNUSED(topic),
wxChar *data,
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format))
bool MyConnection::OnStartAdvise(const wxString& topic,
const wxString& item)
{
wxLogStatus(wxT("Execute command: %s"), data);
wxLogMessage(_T("OnStartAdvise(\"%s\",\"%s\")"), topic, item);
wxLogMessage(_T("Returning true"));
m_sAdvise = item;
wxGetApp().GetFrame()->Enable();
return true;
}
bool MyConnection::OnPoke(const wxString& WXUNUSED(topic),
const wxString& item,
wxChar *data,
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format))
bool MyConnection::OnStopAdvise(const wxString& topic,
const wxString& item)
{
wxLogStatus(wxT("Poke command: %s = %s"), item.c_str(), data);
wxLogMessage(_T("OnStopAdvise(\"%s\",\"%s\")"), topic, item);
wxLogMessage(_T("Returning true"));
m_sAdvise.Empty();
wxGetApp().GetFrame()->Enable();
return true;
}
wxChar *MyConnection::OnRequest(const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item),
int * WXUNUSED(size),
wxIPCFormat WXUNUSED(format))
void MyConnection::Log(const wxString& command, const wxString& topic,
const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
return _T("Here, have your data, client!");
wxString s;
if (topic.IsEmpty() && item.IsEmpty())
s.Printf(_T("%s("), command);
else if (topic.IsEmpty())
s.Printf(_T("%s(\"%s\","), command, item);
else if (item.IsEmpty())
s.Printf(_T("%s(\"%s\","), command, topic);
else
s.Printf(_T("%s(\"%s\",\"%s\","), command, topic, item);
if (format == wxIPC_TEXT || format == wxIPC_UNICODETEXT)
wxLogMessage(_T("%s\"%s\",%d)"), s, data, size);
else if (format == wxIPC_PRIVATE)
{
if (size == 3)
{
char *bytes = (char *)data;
wxLogMessage(_T("%s'%c%c%c',%d)"), s, bytes[0], bytes[1], bytes[2], size);
}
else
wxLogMessage(_T("%s...,%d)"), s, size);
}
else if (format == wxIPC_INVALID)
wxLogMessage(_T("%s[invalid data],%d)"), s, size);
}
bool MyConnection::OnStartAdvise(const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item))
bool MyConnection::Advise(const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
Log(_T("Advise"), _T(""), item, data, size, format);
return wxConnection::Advise(item, data, size, format);
}
bool MyConnection::OnDisconnect()
{
wxLogMessage(_T("OnDisconnect()"));
wxGetApp().GetFrame()->Disconnect();
return true;
}

View File

@ -9,16 +9,26 @@
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#define ID_START 10000
#define ID_DISCONNECT 10001
#define ID_ADVISE 10002
#define ID_LOG 10003
#define ID_SERVERNAME 10004
// Define a new application
class MyServer;
class MyConnection;
class MyFrame;
class MyApp : public wxApp
{
public:
virtual bool OnInit();
virtual int OnExit();
MyFrame *GetFrame() { return m_frame; };
private:
MyServer *m_server;
protected:
MyFrame *m_frame;
};
DECLARE_APP(MyApp)
@ -29,53 +39,65 @@ class MyFrame : public wxFrame
public:
MyFrame(wxFrame *frame, const wxString& title);
void OnListBoxClick(wxCommandEvent& event);
void OnExit(wxCommandEvent& event);
void OnClose(wxCloseEvent& event);
private:
wxPanel *panel;
void Enable();
void Disconnect();
protected:
wxButton* GetStart() { return (wxButton*) FindWindow( ID_START ); }
wxChoice* GetServername() { return (wxChoice*) FindWindow( ID_SERVERNAME ); }
wxButton* GetDisconnect() { return (wxButton*) FindWindow( ID_DISCONNECT ); }
wxButton* GetAdvise() { return (wxButton*) FindWindow( ID_ADVISE ); }
wxTextCtrl* GetLog() { return (wxTextCtrl*) FindWindow( ID_LOG ); }
MyServer *m_server;
void OnStart( wxCommandEvent &event );
void OnServerName( wxCommandEvent &event );
void OnDisconnect( wxCommandEvent &event );
void OnAdvise( wxCommandEvent &event );
DECLARE_EVENT_TABLE()
};
class IPCDialogBox;
class MyConnection : public wxConnection
{
public:
MyConnection();
~MyConnection();
bool OnExecute(const wxString& topic, wxChar *data, int size, wxIPCFormat format);
wxChar *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format);
bool OnPoke(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
bool OnStartAdvise(const wxString& topic, const wxString& item);
IPCDialogBox *dialog;
virtual bool OnExecute(const wxString& topic, wxChar *data, int size, wxIPCFormat format);
virtual wxChar *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format);
virtual bool OnPoke(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
virtual bool OnStartAdvise(const wxString& topic, const wxString& item);
virtual bool OnStopAdvise(const wxString& topic, const wxString& item);
virtual bool Advise(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
virtual bool OnDisconnect();
protected:
void Log(const wxString& command, const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
public:
wxString m_sAdvise;
protected:
wxString m_sRequestDate;
char m_achRequestBytes[3];
};
class MyServer: public wxServer
{
public:
MyServer();
~MyServer();
void Disconnect();
bool IsConnected() { return m_connection != NULL; };
MyConnection *GetConnection() { return m_connection; };
void Advise();
bool CanAdvise() { return m_connection != NULL && !m_connection->m_sAdvise.IsEmpty(); };
wxConnectionBase *OnAcceptConnection(const wxString& topic);
protected:
MyConnection *m_connection;
};
class IPCDialogBox: public wxDialog
{
public:
IPCDialogBox(wxWindow *parent,
const wxString& title,
const wxPoint& pos,
const wxSize& size,
MyConnection *the_connection);
~IPCDialogBox( );
void OnQuit(wxCommandEvent& event);
MyConnection *m_connection;
DECLARE_EVENT_TABLE()
};
#define SERVER_EXIT wxID_EXIT
#define SERVER_LISTBOX 500
#define SERVER_QUIT_BUTTON 501

View File

@ -30,10 +30,10 @@ IMPLEMENT_CLASS(wxServerBase, wxObject)
IMPLEMENT_CLASS(wxClientBase, wxObject)
IMPLEMENT_CLASS(wxConnectionBase, wxObject)
wxConnectionBase::wxConnectionBase(wxChar *buffer, int size)
wxConnectionBase::wxConnectionBase(wxChar *buffer, int bytes)
: m_connected(true),
m_buffer(buffer),
m_buffersize(size),
m_buffersize(bytes),
m_deletebufferwhendone(false)
{
if ( buffer == (wxChar *)NULL )
@ -80,7 +80,10 @@ wxChar *wxConnectionBase::GetBufferAtLeast( size_t bytes )
{ // we're in charge of buffer, increase it
if ( m_buffer )
delete m_buffer;
m_buffer = new wxChar[bytes];
// the argument specifies **byte size**, but m_buffer is of type
// wxChar. Under unicode: sizeof(wxChar) > 1, so the buffer size is
// bytes / sizeof(wxChar) rounded upwards.
m_buffer = new wxChar[(bytes + sizeof(wxChar) - 1) / sizeof(wxChar)];
m_buffersize = bytes;
return m_buffer;
} // user-supplied buffer, fail

View File

@ -399,7 +399,7 @@ bool wxTCPConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
m_codeco->Write8(format);
if (size < 0)
size = wxStrlen(data) + 1; // includes final NUL
size = (wxStrlen(data) + 1) * sizeof(wxChar); // includes final NUL
m_codeco->Write32(size);
m_sockstrm->Write(data, size);
@ -448,7 +448,7 @@ bool wxTCPConnection::Poke (const wxString& item, wxChar *data, int size, wxIPCF
m_codeco->Write8(format);
if (size < 0)
size = wxStrlen(data) + 1; // includes final NUL
size = (wxStrlen(data) + 1) * sizeof(wxChar); // includes final NUL
m_codeco->Write32(size);
m_sockstrm->Write(data, size);
@ -504,7 +504,7 @@ bool wxTCPConnection::Advise (const wxString& item,
m_codeco->Write8(format);
if (size < 0)
size = wxStrlen(data) + 1; // includes final NUL
size = (wxStrlen(data) + 1) * sizeof(wxChar); // includes final NUL
m_codeco->Write32(size);
m_sockstrm->Write(data, size);
@ -646,7 +646,7 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
codeco->Write8(IPC_REQUEST_REPLY);
if (user_size == -1)
user_size = wxStrlen(user_data) + 1; // includes final NUL
user_size = (wxStrlen(user_data) + 1) * sizeof(wxChar); // includes final NUL
codeco->Write32(user_size);
sockstrm->Write(user_data, user_size);

View File

@ -39,7 +39,6 @@
#include "wx/dde.h"
#include "wx/intl.h"
#include "wx/hashmap.h"
#include "wx/math.h"
#include "wx/msw/private.h"
@ -550,19 +549,21 @@ bool wxDDEConnection::Disconnect()
return ok;
}
bool wxDDEConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
bool wxDDEConnection::Execute(const wxChar *data, int size, wxIPCFormat WXUNUSED(format))
{
DWORD result;
if (size < 0)
{
size = wxStrlen(data) + 1;
size = (wxStrlen(data) + 1) * sizeof(wxChar); // includes final NUL
}
bool ok = DdeClientTransaction((LPBYTE)data,
size * sizeof(wxChar),
size,
GetHConv(),
NULL,
format,
// If the transaction specified by the wType parameter does not pass data or is XTYP_EXECUTE,
// wFmt should be zero.
0,
XTYP_EXECUTE,
DDE_TIMEOUT,
&result) != 0;
@ -595,7 +596,6 @@ wxChar *wxDDEConnection::Request(const wxString& item, int *size, wxIPCFormat fo
}
DWORD len = DdeGetData(returned_data, NULL, 0, 0);
len = (DWORD)ceil( double(len)/sizeof(wxChar) );
wxChar *data = GetBufferAtLeast( len );
wxASSERT_MSG(data != NULL,
@ -605,7 +605,7 @@ wxChar *wxDDEConnection::Request(const wxString& item, int *size, wxIPCFormat fo
(void) DdeFreeDataHandle(returned_data);
if (size)
*size = len;
*size = (int)len;
return data;
}
@ -615,12 +615,12 @@ bool wxDDEConnection::Poke(const wxString& item, wxChar *data, int size, wxIPCFo
DWORD result;
if (size < 0)
{
size = wxStrlen(data) + 1;
size = (wxStrlen(data) + 1) * sizeof(wxChar); // includes final NUL
}
HSZ item_atom = DDEGetAtom(item);
bool ok = DdeClientTransaction((LPBYTE)data,
size * sizeof(wxChar),
size,
GetHConv(),
item_atom, format,
XTYP_POKE,
@ -680,14 +680,15 @@ bool wxDDEConnection::Advise(const wxString& item,
{
if (size < 0)
{
size = wxStrlen(data) + 1;
size = (wxStrlen(data) + 1) * sizeof(wxChar); // includes final NUL
}
HSZ item_atom = DDEGetAtom(item);
HSZ topic_atom = DDEGetAtom(m_topicName);
m_sendingData = data; // mrf: potential for scope problems here?
m_dataSize = size;
m_dataType = format;
// wxIPC_PRIVATE does not succeed, so use text instead
m_dataType = format == wxIPC_PRIVATE ? wxIPC_TEXT : format;
bool ok = DdePostAdvise(DDEIdInst, topic_atom, item_atom) != 0;
if ( !ok )
@ -777,7 +778,6 @@ _DDECallback(WORD wType,
if (connection)
{
DWORD len = DdeGetData(hData, NULL, 0, 0);
len = (DWORD)ceil( double(len)/sizeof(wxChar) );
wxChar *data = connection->GetBufferAtLeast( len );
wxASSERT_MSG(data != NULL,
@ -787,10 +787,11 @@ _DDECallback(WORD wType,
DdeFreeDataHandle(hData);
// XTYP_EXECUTE cannot be used for arbitrary data, but only for text
if ( connection->OnExecute(connection->m_topicName,
data,
(int)len,
(wxIPCFormat) wFmt) )
wxIPC_TEXT ) )
{
return (DDERETURN)(DWORD)DDE_FACK;
}
@ -815,11 +816,11 @@ _DDECallback(WORD wType,
if (data)
{
if (user_size < 0)
user_size = wxStrlen((wxChar*)data) + 1;
user_size = (wxStrlen((wxChar*)data) + 1) * sizeof(wxChar); // includes final NUL
HDDEDATA handle = DdeCreateDataHandle(DDEIdInst,
(LPBYTE)data,
user_size*sizeof(wxChar),
user_size,
0,
hsz2,
wFmt,
@ -839,11 +840,10 @@ _DDECallback(WORD wType,
wxString item_name = DDEStringFromAtom(hsz2);
DWORD len = DdeGetData(hData, NULL, 0, 0);
len = (DWORD)ceil( double(len) / sizeof(wxChar) );
wxChar *data = connection->GetBufferAtLeast( len );
wxASSERT_MSG(data != NULL,
_T("Buffer too small in _DDECallback (XTYP_EXECUTE)") );
_T("Buffer too small in _DDECallback (XTYP_POKE)") );
DdeGetData(hData, (LPBYTE)data, len, 0);
@ -903,7 +903,7 @@ _DDECallback(WORD wType,
(
DDEIdInst,
(LPBYTE)connection->m_sendingData,
connection->m_dataSize*sizeof(wxChar),
connection->m_dataSize,
0,
hsz2,
connection->m_dataType,
@ -927,7 +927,6 @@ _DDECallback(WORD wType,
wxString item_name = DDEStringFromAtom(hsz2);
DWORD len = DdeGetData(hData, NULL, 0, 0);
len = (DWORD)ceil( double(len) / sizeof(wxChar) );
wxChar *data = connection->GetBufferAtLeast( len );
wxASSERT_MSG(data != NULL,