xti additions / changes, trying to reduce dependencies

[wxWidgets.git] / src / msw / dde.cpp

diff --git a/src/msw/dde.cpp b/src/msw/dde.cpp
index 03fdc05daf2504188e0c827e9a30a91ddc089f01..1ddd1a726d719001543bbc61ace2a540b4d8af8a 100644 (file)
--- a/src/msw/dde.cpp
+++ b/src/msw/dde.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "dde.h"
 #endif
 
@@ -38,15 +38,14 @@
 #include "wx/module.h"
 #include "wx/dde.h"
 #include "wx/intl.h"
-
+#include "wx/hashmap.h"
 
 #include "wx/msw/private.h"
 
 #include <string.h>
-#include <windows.h>
 #include <ddeml.h>
 
-#if defined(__TWIN32__) || defined(__GNUWIN32_OLD__)
+#ifdef __GNUWIN32_OLD__
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 
@@ -122,12 +121,20 @@ static void DDELogError(const wxString& s, UINT error = DMLERR_NO_ERROR);
 // global variables
 // ----------------------------------------------------------------------------
 
+WX_DECLARE_STRING_HASH_MAP( HSZ, wxAtomMap );
+
 static DWORD DDEIdInst = 0L;
 static wxDDEConnection *DDECurrentlyConnecting = NULL;
+static wxAtomMap wxAtomTable;
+
+#include "wx/listimpl.cpp"
+
+WX_DEFINE_LIST(wxDDEClientList);
+WX_DEFINE_LIST(wxDDEServerList);
+WX_DEFINE_LIST(wxDDEConnectionList);
 
-static wxList wxAtomTable(wxKEY_STRING);
-static wxList wxDDEClientObjects;
-static wxList wxDDEServerObjects;
+static wxDDEClientList wxDDEClientObjects;
+static wxDDEServerList wxDDEServerObjects;
 
 static bool DDEInitialized = false;
 
@@ -187,15 +194,10 @@ extern void wxDDEInitialize()
 
 void wxDDECleanUp()
 {
-    wxDDEClientObjects.DeleteContents(true);
-    wxDDEClientObjects.Clear();
-    wxDDEClientObjects.DeleteContents(false);
+    WX_CLEAR_LIST(wxDDEClientList, wxDDEClientObjects);
+    WX_CLEAR_LIST(wxDDEServerList, wxDDEServerObjects);
 
-    wxDDEServerObjects.DeleteContents(true);
-    wxDDEServerObjects.Clear();
-    wxDDEServerObjects.DeleteContents(false);
-
-    wxAtomTable.Clear();
+    wxAtomTable.clear();
 
     if ( DDEIdInst != 0 )
     {
@@ -211,64 +213,75 @@ void wxDDECleanUp()
 // Global find connection
 static wxDDEConnection *DDEFindConnection(HCONV hConv)
 {
-  wxNode *node = wxDDEServerObjects.GetFirst();
-  wxDDEConnection *found = NULL;
-  while (node && !found)
-  {
-    wxDDEServer *object = (wxDDEServer *)node->GetData();
-    found = object->FindConnection((WXHCONV) hConv);
-    node = node->GetNext();
-  }
-  if (found)
-      return found;
-
-  node = wxDDEClientObjects.GetFirst();
-  while (node && !found)
-  {
-    wxDDEClient *object = (wxDDEClient *)node->GetData();
-    found = object->FindConnection((WXHCONV) hConv);
-    node = node->GetNext();
-  }
-  return found;
+    wxDDEServerList::compatibility_iterator serverNode = wxDDEServerObjects.GetFirst();
+    wxDDEConnection *found = NULL;
+    while (serverNode && !found)
+    {
+        wxDDEServer *object = serverNode->GetData();
+        found = object->FindConnection((WXHCONV) hConv);
+        serverNode = serverNode->GetNext();
+    }
+
+    if (found)
+    {
+        return found;
+    }
+
+    wxDDEClientList::compatibility_iterator clientNode = wxDDEClientObjects.GetFirst();
+    while (clientNode && !found)
+    {
+        wxDDEClient *object = clientNode->GetData();
+        found = object->FindConnection((WXHCONV) hConv);
+        clientNode = clientNode->GetNext();
+    }
+    return found;
 }
 
 // Global delete connection
 static void DDEDeleteConnection(HCONV hConv)
 {
-  wxNode *node = wxDDEServerObjects.GetFirst();
-  bool found = false;
-  while (node && !found)
-  {
-    wxDDEServer *object = (wxDDEServer *)node->GetData();
-    found = object->DeleteConnection((WXHCONV) hConv);
-    node = node->GetNext();
-  }
-  if (found)
-    return;
-
-  node = wxDDEClientObjects.GetFirst();
-  while (node && !found)
-  {
-    wxDDEClient *object = (wxDDEClient *)node->GetData();
-    found = object->DeleteConnection((WXHCONV) hConv);
-    node = node->GetNext();
-  }
+    wxDDEServerList::compatibility_iterator serverNode = wxDDEServerObjects.GetFirst();
+    bool found = false;
+    while (serverNode && !found)
+    {
+        wxDDEServer *object = serverNode->GetData();
+        found = object->DeleteConnection((WXHCONV) hConv);
+        serverNode = serverNode->GetNext();
+    }
+    if (found)
+    {
+        return;
+    }
+
+    wxDDEClientList::compatibility_iterator clientNode = wxDDEClientObjects.GetFirst();
+    while (clientNode && !found)
+    {
+        wxDDEClient *object = clientNode->GetData();
+        found = object->DeleteConnection((WXHCONV) hConv);
+        clientNode = clientNode->GetNext();
+    }
 }
 
 // Find a server from a service name
 static wxDDEServer *DDEFindServer(const wxString& s)
 {
-  wxNode *node = wxDDEServerObjects.GetFirst();
-  wxDDEServer *found = NULL;
-  while (node && !found)
-  {
-    wxDDEServer *object = (wxDDEServer *)node->GetData();
-
-    if (object->GetServiceName() == s)
-      found = object;
-    else node = node->GetNext();
-  }
-  return found;
+    wxDDEServerList::compatibility_iterator node = wxDDEServerObjects.GetFirst();
+    wxDDEServer *found = NULL;
+    while (node && !found)
+    {
+        wxDDEServer *object = node->GetData();
+
+        if (object->GetServiceName() == s)
+        {
+            found = object;
+        }
+        else
+        {
+            node = node->GetNext();
+        }
+    }
+
+    return found;
 }
 
 // ----------------------------------------------------------------------------
@@ -311,11 +324,11 @@ wxDDEServer::~wxDDEServer()
 
     wxDDEServerObjects.DeleteObject(this);
 
-    wxNode *node = m_connections.GetFirst();
+    wxDDEConnectionList::compatibility_iterator node = m_connections.GetFirst();
     while (node)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
-        wxNode *next = node->GetNext();
+        wxDDEConnection *connection = node->GetData();
+        wxDDEConnectionList::compatibility_iterator next = node->GetNext();
         connection->SetConnected(false);
         connection->OnDisconnect(); // May delete the node implicitly
         node = next;
@@ -325,8 +338,8 @@ wxDDEServer::~wxDDEServer()
     node = m_connections.GetFirst();
     while (node)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
-        wxNode *next = node->GetNext();
+        wxDDEConnection *connection = node->GetData();
+        wxDDEConnectionList::compatibility_iterator next = node->GetNext();
         delete connection;
         node = next;
     }
@@ -339,11 +352,11 @@ wxConnectionBase *wxDDEServer::OnAcceptConnection(const wxString& /* topic */)
 
 wxDDEConnection *wxDDEServer::FindConnection(WXHCONV conv)
 {
-    wxNode *node = m_connections.GetFirst();
+    wxDDEConnectionList::compatibility_iterator node = m_connections.GetFirst();
     wxDDEConnection *found = NULL;
     while (node && !found)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
+        wxDDEConnection *connection = node->GetData();
         if (connection->m_hConv == conv)
             found = connection;
         else node = node->GetNext();
@@ -354,19 +367,21 @@ wxDDEConnection *wxDDEServer::FindConnection(WXHCONV conv)
 // Only delete the entry in the map, not the actual connection
 bool wxDDEServer::DeleteConnection(WXHCONV conv)
 {
-    wxNode *node = m_connections.GetFirst();
-    bool found = false;
-    while (node && !found)
+    wxDDEConnectionList::compatibility_iterator node = m_connections.GetFirst();
+    while (node)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
+        wxDDEConnection *connection = node->GetData();
         if (connection->m_hConv == conv)
         {
-            found = true;
-            delete node;
+            m_connections.Erase(node);
+            return true;
+        }
+        else
+        {
+            node = node->GetNext();
         }
-        else node = node->GetNext();
     }
-    return found;
+    return false;
 }
 
 // ----------------------------------------------------------------------------
@@ -383,10 +398,10 @@ wxDDEClient::wxDDEClient()
 wxDDEClient::~wxDDEClient()
 {
     wxDDEClientObjects.DeleteObject(this);
-    wxNode *node = m_connections.GetFirst();
+    wxDDEConnectionList::compatibility_iterator node = m_connections.GetFirst();
     while (node)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
+        wxDDEConnection *connection = node->GetData();
         delete connection;  // Deletes the node implicitly (see ~wxDDEConnection)
         node = m_connections.GetFirst();
     }
@@ -431,11 +446,11 @@ wxConnectionBase *wxDDEClient::OnMakeConnection()
 
 wxDDEConnection *wxDDEClient::FindConnection(WXHCONV conv)
 {
-    wxNode *node = m_connections.GetFirst();
+    wxDDEConnectionList::compatibility_iterator node = m_connections.GetFirst();
     wxDDEConnection *found = NULL;
     while (node && !found)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
+        wxDDEConnection *connection = node->GetData();
         if (connection->m_hConv == conv)
             found = connection;
         else node = node->GetNext();
@@ -446,19 +461,18 @@ wxDDEConnection *wxDDEClient::FindConnection(WXHCONV conv)
 // Only delete the entry in the map, not the actual connection
 bool wxDDEClient::DeleteConnection(WXHCONV conv)
 {
-    wxNode *node = m_connections.GetFirst();
-    bool found = false;
-    while (node && !found)
+    wxDDEConnectionList::compatibility_iterator node = m_connections.GetFirst();
+    while (node)
     {
-        wxDDEConnection *connection = (wxDDEConnection *)node->GetData();
+        wxDDEConnection *connection = node->GetData();
         if (connection->m_hConv == conv)
         {
-            found = true;
-            delete node;
+            m_connections.Erase(node);
+            return true;
         }
         else node = node->GetNext();
     }
-    return found;
+    return false;
 }
 
 // ----------------------------------------------------------------------------
@@ -914,23 +928,21 @@ _DDECallback(WORD wType,
 // ----------------------------------------------------------------------------
 
 // Atom table stuff
-static HSZ DDEAddAtom(const wxString& string)
+static HSZ DDEAddAtom(const wxString& str)
 {
-    HSZ atom = DDEAtomFromString(string);
-    wxAtomTable.Append(string, (wxObject *)atom);
+    HSZ atom = DDEAtomFromString(str);
+    wxAtomTable[str] = atom;
     return atom;
 }
 
-static HSZ DDEGetAtom(const wxString& string)
+static HSZ DDEGetAtom(const wxString& str)
 {
-    wxNode *node = wxAtomTable.Find(string);
-    if (node)
-        return (HSZ)node->GetData();
-    else
-    {
-        DDEAddAtom(string);
-        return (HSZ)(wxAtomTable.Find(string)->GetData());
-    }
+    wxAtomMap::iterator it = wxAtomTable.find(str);
+
+    if (it != wxAtomTable.end())
+        return it->second;
+
+    return DDEAddAtom(str);
 }
 
 // atom <-> strings
@@ -953,8 +965,7 @@ static wxString DDEStringFromAtom(HSZ hsz)
     static const size_t len = 256;
 
     wxString s;
-    (void)DdeQueryString(DDEIdInst, hsz, s.GetWriteBuf(len), len, DDE_CP);
-    s.UngetWriteBuf();
+    (void)DdeQueryString(DDEIdInst, hsz, wxStringBuffer(s, len), len, DDE_CP);
 
     return s;
 }