generate a text event even if SetValue() didn't really chaneg anything

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

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index 433c90472a6c593dc8a10e8290d6d0efa52ed888..a7bf054ec0ab6651974e34985061c1d849f69c5e 100644 (file)
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -2,11 +2,11 @@
 // Name:        datstrm.cpp
 // Purpose:     Data stream classes
 // Author:      Guilhem Lavaux
-// Modified by:
+// Modified by: Mickael Gilabert
 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
-// Licence:    wxWindows license
+// Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -28,8 +28,13 @@
 // wxDataInputStream
 // ---------------------------------------------------------------------------
 
+#if wxUSE_UNICODE
+wxDataInputStream::wxDataInputStream(wxInputStream& s, wxMBConv& conv)
+  : m_input(&s), m_be_order(FALSE), m_conv(conv)
+#else
 wxDataInputStream::wxDataInputStream(wxInputStream& s)
   : m_input(&s), m_be_order(FALSE)
+#endif
 {
 }
 
@@ -37,6 +42,18 @@ wxDataInputStream::~wxDataInputStream()
 {
 }
 
+wxUint64 wxDataInputStream::Read64()
+{
+  wxUint64 i64;
+
+  m_input->Read(&i64, 8);
+
+  if (m_be_order)
+    return wxUINT64_SWAP_ON_LE(i64);
+  else
+    return wxUINT64_SWAP_ON_BE(i64);
+}
+
 wxUint32 wxDataInputStream::Read32()
 {
   wxUint32 i32;
@@ -86,15 +103,104 @@ double wxDataInputStream::ReadDouble()
 
 wxString wxDataInputStream::ReadString()
 {
-  wxString s;
   size_t len;
 
   len = Read32();
 
-  m_input->Read(s.GetWriteBuf(len), len);
-  s.UngetWriteBuf();
+  if (len > 0)
+  {
+#if wxUSE_UNICODE
+    wxCharBuffer tmp(len + 1);
+    m_input->Read(tmp.data(), len);
+    tmp.data()[len] = '\0';
+    wxString ret(m_conv.cMB2WX(tmp.data()));
+#else
+    wxString ret;
+    m_input->Read( wxStringBuffer(ret, len), len);
+#endif
+    return ret;
+  }
+  else
+    return wxEmptyString;
+}
 
-  return s;
+void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+{
+  m_input->Read(buffer, size * 8);
+
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint64 v = wxUINT64_SWAP_ON_LE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint64 v = wxUINT64_SWAP_ON_BE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+}
+
+void wxDataInputStream::Read32(wxUint32 *buffer, size_t size)
+{
+  m_input->Read(buffer, size * 4);
+
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+else
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+}
+
+void wxDataInputStream::Read16(wxUint16 *buffer, size_t size)
+{
+  m_input->Read(buffer, size * 2);
+
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint16 v = wxUINT16_SWAP_ON_LE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint16 v = wxUINT16_SWAP_ON_BE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+}
+
+void wxDataInputStream::Read8(wxUint8 *buffer, size_t size)
+{
+  m_input->Read(buffer, size);
+}
+
+void wxDataInputStream::ReadDouble(double *buffer, size_t size)
+{
+  for (wxUint32 i=0; i<size; i++)
+  {
+    *(buffer++) = ReadDouble();
+  }
 }
 
 wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
@@ -139,6 +245,12 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
   return *this;
 }
 
+wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
+{
+  i = Read64();
+  return *this;
+}
+
 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();
@@ -155,8 +267,13 @@ wxDataInputStream& wxDataInputStream::operator>>(float& f)
 // wxDataOutputStream
 // ---------------------------------------------------------------------------
 
+#if wxUSE_UNICODE
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, wxMBConv& conv)
+  : m_output(&s), m_be_order(FALSE), m_conv(conv)
+#else
 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
   : m_output(&s), m_be_order(FALSE)
+#endif
 {
 }
 
@@ -164,6 +281,17 @@ wxDataOutputStream::~wxDataOutputStream()
 {
 }
 
+void wxDataOutputStream::Write64(wxUint64 i)
+{
+  wxUint64 i64;
+
+  if (m_be_order)
+    i64 = wxUINT64_SWAP_ON_LE(i);
+  else
+    i64 = wxUINT64_SWAP_ON_BE(i);
+  m_output->Write(&i64, 8);
+}
+
 void wxDataOutputStream::Write32(wxUint32 i)
 {
   wxUint32 i32;
@@ -194,9 +322,15 @@ void wxDataOutputStream::Write8(wxUint8 i)
 
 void wxDataOutputStream::WriteString(const wxString& string)
 {
+#if wxUSE_UNICODE
+  const wxWX2MBbuf buf = string.mb_str(m_conv);
+#else
   const wxWX2MBbuf buf = string.mb_str();
-  Write32(string.Length());
-  m_output->Write(buf, string.Len());
+#endif
+  size_t len = strlen(buf);
+  Write32(len);
+  if (len > 0)
+      m_output->Write(buf, len);
 }
 
 // Must be at global scope for VC++ 5
@@ -217,6 +351,85 @@ void wxDataOutputStream::WriteDouble(double d)
   m_output->Write(buf, 10);
 }
 
+void wxDataOutputStream::Write64(const wxUint64 *buffer, size_t size)
+{
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint64 i64 = wxUINT64_SWAP_ON_LE(*buffer);
+      buffer++;
+      m_output->Write(&i64, 8);
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint64 i64 = wxUINT64_SWAP_ON_BE(*buffer);
+      buffer++;
+      m_output->Write(&i64, 8);
+    }
+  }
+}
+
+void wxDataOutputStream::Write32(const wxUint32 *buffer, size_t size)
+{
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint32 i32 = wxUINT32_SWAP_ON_LE(*buffer);
+      buffer++;
+      m_output->Write(&i32, 4);
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint32 i32 = wxUINT32_SWAP_ON_BE(*buffer);
+      buffer++;
+      m_output->Write(&i32, 4);
+    }
+  }
+}
+
+void wxDataOutputStream::Write16(const wxUint16 *buffer, size_t size)
+{
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint16 i16 = wxUINT16_SWAP_ON_LE(*buffer);
+      buffer++;
+      m_output->Write(&i16, 2);
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint16 i16 = wxUINT16_SWAP_ON_BE(*buffer);
+      buffer++;
+      m_output->Write(&i16, 2);
+    }
+  }
+}
+
+void wxDataOutputStream::Write8(const wxUint8 *buffer, size_t size)
+{
+  m_output->Write(buffer, size);
+}
+
+void wxDataOutputStream::WriteDouble(const double *buffer, size_t size)
+{
+  for (wxUint32 i=0; i<size; i++)
+  {
+    WriteDouble(*(buffer++));
+  }
+}
+
 wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
 {
   Write32(wxStrlen(string));
@@ -224,7 +437,7 @@ wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
   return *this;
 }
 
-wxDataOutputStream& wxDataOutputStream::operator<<(wxString& string)
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)
 {
   WriteString(string);
   return *this;
@@ -266,6 +479,12 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
   return *this;
 }
 
+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
+{
+  Write64(i);
+  return *this;
+}
+
 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);