Save the alpha values if the image has an alpha channel

[wxWidgets.git] / src / common / socket.cpp

diff --git a/src/common/socket.cpp b/src/common/socket.cpp
index b25ca3fd31536cab9b92cd421e2ff79e7e8a49f6..4f265961933249a0e042ff6d502a94b0766bf758 100644 (file)
--- a/src/common/socket.cpp
+++ b/src/common/socket.cpp
@@ -13,7 +13,7 @@
 // Declarations
 // ==========================================================================
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "socket.h"
 #endif
 
@@ -41,6 +41,10 @@
 #include "wx/sckaddr.h"
 #include "wx/socket.h"
 
+// DLL options compatibility check:
+#include "wx/build.h"
+WX_CHECK_BUILD_OPTIONS("wxNet")
+
 // --------------------------------------------------------------------------
 // macros and constants
 // --------------------------------------------------------------------------
@@ -50,7 +54,7 @@
 
 // what to do within waits: we have 2 cases: from the main thread itself we
 // have to call wxYield() to let the events (including the GUI events and the
-// low-level (not wxWindows) events from GSocket) be processed. From another
+// low-level (not wxWidgets) events from GSocket) be processed. From another
 // thread it is enough to just call wxThread::Yield() which will give away the
 // rest of our time slice: the explanation is that the events will be processed
 // by the main thread anyhow, without calling wxYield(), but we don't want to
@@ -90,10 +94,6 @@ public:
   wxSocketEventFlags       m_eventmask;
   bool                     m_notify;
   void                    *m_clientData;
-#if WXWIN_COMPATIBILITY
-  wxSocketBase::wxSockCbk  m_cbk;
-  char                    *m_cdata;
-#endif // WXWIN_COMPATIBILITY
 
 public:
   wxSocketState() : wxObject() {}
@@ -122,6 +122,12 @@ bool wxSocketBase::Initialize()
 {
     if ( !m_countInit++ )
     {
+        wxAppTraits *traits = wxAppConsole::GetInstance() ?
+                              wxAppConsole::GetInstance()->GetTraits() : NULL;
+        GSocketGUIFunctionsTable *functions = 
+            traits ? traits->GetSocketGUIFunctionsTable() : NULL;
+        GSocket_SetGUIFunctions(functions);
+        
         if ( !GSocket_Init() )
         {
             m_countInit--;
@@ -174,10 +180,6 @@ void wxSocketBase::Init()
   m_clientData   = NULL;
   m_notify       = FALSE;
   m_eventmask    = 0;
-#if WXWIN_COMPATIBILITY
-  m_cbk          = NULL;
-  m_cdata        = NULL;
-#endif // WXWIN_COMPATIBILITY
 
   if ( !IsInitialized() )
   {
@@ -301,7 +303,6 @@ wxSocketBase& wxSocketBase::Read(void* buffer, wxUint32 nbytes)
 wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes)
 {
   int total;
-  int ret = 1;
 
   // Try the pushback buffer first
   total = GetPushback(buffer, nbytes, FALSE);
@@ -323,6 +324,7 @@ wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes)
   // wxSOCKET_BLOCK
   // wxSOCKET_NONE
   //
+  int ret;
   if (m_flags & wxSOCKET_NOWAIT)
   {
     GSocket_SetNonBlocking(m_socket, 1);
@@ -502,7 +504,6 @@ wxSocketBase& wxSocketBase::Write(const void *buffer, wxUint32 nbytes)
 wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes)
 {
   wxUint32 total = 0;
-  int ret = 1;
 
   // If the socket is invalid or parameters are ill, return immediately
   if (!m_socket || !buffer || !nbytes)
@@ -514,6 +515,7 @@ wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes)
   // wxSOCKET_BLOCK
   // wxSOCKET_NONE
   //
+  int ret;
   if (m_flags & wxSOCKET_NOWAIT)
   {
     GSocket_SetNonBlocking(m_socket, 1);
@@ -556,7 +558,6 @@ wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes)
 {
   wxUint32 total;
   bool error;
-  int old_flags;
   struct
   {
     unsigned char sig[4];
@@ -568,7 +569,6 @@ wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes)
 
   error = TRUE;
   total = 0;
-  old_flags = m_flags;
   SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
 
   msg.sig[0] = (unsigned char) 0xad;
@@ -622,7 +622,6 @@ wxSocketBase& wxSocketBase::Unread(const void *buffer, wxUint32 nbytes)
 
 wxSocketBase& wxSocketBase::Discard()
 {
-  int old_flags;
   char *buffer = new char[MAX_DISCARD_SIZE];
   wxUint32 ret;
   wxUint32 total = 0;
@@ -630,7 +629,6 @@ wxSocketBase& wxSocketBase::Discard()
   // Mask read events
   m_reading = TRUE;
 
-  old_flags = m_flags;
   SetFlags(wxSOCKET_NOWAIT);
 
   do
@@ -680,6 +678,10 @@ bool wxSocketBase::_Wait(long seconds,
   else
     timeout = m_timeout * 1000;
 
+#if !defined(wxUSE_GUI) || !wxUSE_GUI
+  GSocket_SetTimeout(m_socket, timeout);
+#endif 
+
   // Wait in an active polling loop.
   //
   // NOTE: We duplicate some of the code in OnRequest, but this doesn't
@@ -818,17 +820,13 @@ void wxSocketBase::SaveState()
   state->m_notify     = m_notify;
   state->m_eventmask  = m_eventmask;
   state->m_clientData = m_clientData;
-#if WXWIN_COMPATIBILITY
-  state->m_cbk        = m_cbk;
-  state->m_cdata      = m_cdata;
-#endif // WXWIN_COMPATIBILITY
 
   m_states.Append(state);
 }
 
 void wxSocketBase::RestoreState()
 {
-  wxNode *node;
+  wxList::compatibility_iterator node;
   wxSocketState *state;
 
   node = m_states.GetLast();
@@ -841,12 +839,8 @@ void wxSocketBase::RestoreState()
   m_notify     = state->m_notify;
   m_eventmask  = state->m_eventmask;
   m_clientData = state->m_clientData;
-#if WXWIN_COMPATIBILITY
-  m_cbk        = state->m_cbk;
-  m_cdata      = state->m_cdata;
-#endif // WXWIN_COMPATIBILITY
-
-  delete node;
+  
+  m_states.Erase(node);
   delete state;
 }
 
@@ -868,30 +862,6 @@ void wxSocketBase::SetFlags(wxSocketFlags flags)
 }
 
 
-// --------------------------------------------------------------------------
-// Callbacks (now obsolete - use events instead)
-// --------------------------------------------------------------------------
-
-#if WXWIN_COMPATIBILITY
-
-wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_)
-{
-  wxSockCbk old_cbk = cbk_;
-
-  m_cbk = cbk_;
-  return old_cbk;
-}
-
-char *wxSocketBase::CallbackData(char *data)
-{
-  char *old_data = m_cdata;
-
-  m_cdata = data;
-  return old_data;
-}
-
-#endif // WXWIN_COMPATIBILITY
-
 // --------------------------------------------------------------------------
 // Event handling
 // --------------------------------------------------------------------------
@@ -964,6 +934,7 @@ void wxSocketBase::OnRequest(wxSocketNotify notification)
   // Schedule the event
 
   wxSocketEventFlags flag = 0;
+  wxUnusedVar(flag);
   switch (notification)
   {
     case GSOCK_INPUT:      flag = GSOCK_INPUT_FLAG; break;
@@ -986,11 +957,6 @@ void wxSocketBase::OnRequest(wxSocketNotify notification)
 
       m_handler->AddPendingEvent(event);
     }
-
-#if WXWIN_COMPATIBILITY
-    if (m_cbk)
-      m_cbk(*this, notification, m_cdata);
-#endif // WXWIN_COMPATIBILITY
   }
 }
 
@@ -1298,7 +1264,7 @@ wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr,
 // wxSocketModule
 // ==========================================================================
 
-class WXDLLEXPORT wxSocketModule : public wxModule
+class wxSocketModule : public wxModule
 {
 public:
     virtual bool OnInit()