adding scroll wheel support

[wxWidgets.git] / src / msw / ole / dataobj.cpp

diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp
index c8215dbdf3b69ca4efc537eea7996086db0addb0..ff9169dbe59035158d104a6273762b8a4a8ac12a 100644 (file)
--- a/src/msw/ole/dataobj.cpp
+++ b/src/msw/ole/dataobj.cpp
@@ -27,6 +27,8 @@
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/wxcrtvararg.h"
 #endif
 
 #include "wx/dataobj.h"
@@ -135,9 +137,9 @@ private:
 // wxDataFormat
 // ----------------------------------------------------------------------------
 
-void wxDataFormat::SetId(const wxChar *format)
+void wxDataFormat::SetId(const wxString& format)
 {
-    m_format = (wxDataFormat::NativeFormat)::RegisterClipboardFormat(format);
+    m_format = (wxDataFormat::NativeFormat)::RegisterClipboardFormat(format.wx_str());
     if ( !m_format )
     {
         wxLogError(_("Couldn't register clipboard format '%s'."), format);
@@ -158,6 +160,7 @@ wxString wxDataFormat::GetId() const
     if ( !len )
     {
         wxLogError(_("The clipboard format '%d' doesn't exist."), m_format);
+        return wxEmptyString;
     }
 
     return s;
@@ -683,13 +686,14 @@ size_t wxDataObject::GetBufferOffset(const wxDataFormat& format )
     return NeedsVerbatimData(format) ? 0 : sizeof(size_t);
 }
 
-const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size,
-                                               const wxDataFormat& format )
+const void *wxDataObject::GetSizeFromBuffer(const void *buffer,
+                                            size_t *size,
+                                            const wxDataFormat& WXUNUSED(format))
 {
     // hack: the third parameter is declared non-const in Wine's headers so
     // cast away the const
-    size_t realsz = ::HeapSize(::GetProcessHeap(), 0,
-                               wx_const_cast(void*, buffer));
+    const size_t realsz = ::HeapSize(::GetProcessHeap(), 0,
+                                     const_cast<void*>(buffer));
     if ( realsz == (size_t)-1 )
     {
         // note that HeapSize() does not set last error
@@ -699,18 +703,7 @@ const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size,
 
     *size = realsz;
 
-    // check if this data has its size prepended (as it was by default for wx
-    // programs prior 2.6.3):
-    size_t *p = (size_t *)buffer;
-    if ( *p == realsz )
-    {
-        if ( NeedsVerbatimData(format) )
-            wxLogDebug(wxT("Apparent data format mismatch: size not needed"));
-
-        p++; // this data has its size prepended; skip first DWORD
-    }
-
-    return p;
+    return buffer;
 }
 
 void* wxDataObject::SetSizeInBuffer( void* buffer, size_t size,
@@ -1056,7 +1049,7 @@ size_t wxFileDataObject::GetDataSize() const
 
 #if wxUSE_UNICODE_MSLU
     size_t sizeOfChar;
-    if ( wxGetOsVersion() == wxWIN95 )
+    if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
     {
         // Win9x always uses ANSI file names and MSLU doesn't help with this
         sizeOfChar = sizeof(char);
@@ -1079,7 +1072,7 @@ size_t wxFileDataObject::GetDataSize() const
         size_t len;
 #if wxUSE_UNICODE_MSLU
         if ( sizeOfChar == sizeof(char) )
-            len = strlen(wxConvFileName->cWC2MB(m_filenames[i]));
+            len = strlen(m_filenames[i].mb_str(*wxConvFileName));
         else
 #endif // wxUSE_UNICODE_MSLU
             len = m_filenames[i].length();
@@ -1110,7 +1103,7 @@ bool wxFileDataObject::GetDataHere(void *WXUNUSED_IN_WINCE(pData)) const
     pDrop->pFiles = sizeof(DROPFILES);
     pDrop->fNC = FALSE;                 // not non-client coords
 #if wxUSE_UNICODE_MSLU
-    pDrop->fWide = wxGetOsVersion() != wxWIN95 ? TRUE : FALSE;
+    pDrop->fWide = wxGetOsVersion() != wxOS_WINDOWS_9X ? TRUE : FALSE;
 #else
     pDrop->fWide = wxUSE_UNICODE;
 #endif
@@ -1128,7 +1121,7 @@ bool wxFileDataObject::GetDataHere(void *WXUNUSED_IN_WINCE(pData)) const
 #if wxUSE_UNICODE_MSLU
         if ( sizeOfChar == sizeof(char) )
         {
-            wxCharBuffer buf(wxConvFileName->cWC2MB(m_filenames[i]));
+            wxCharBuffer buf(m_filenames[i].mb_str(*wxConvFileName));
             len = strlen(buf);
             memcpy(pbuf, buf, len*sizeOfChar);
         }
@@ -1136,7 +1129,7 @@ bool wxFileDataObject::GetDataHere(void *WXUNUSED_IN_WINCE(pData)) const
 #endif // wxUSE_UNICODE_MSLU
         {
             len = m_filenames[i].length();
-            memcpy(pbuf, m_filenames[i].c_str(), len*sizeOfChar);
+            memcpy(pbuf, m_filenames[i].wx_str(), len*sizeOfChar);
         }
 
         pbuf += len*sizeOfChar;
@@ -1158,6 +1151,12 @@ bool wxFileDataObject::GetDataHere(void *WXUNUSED_IN_WINCE(pData)) const
 // wxURLDataObject
 // ----------------------------------------------------------------------------
 
+// Work around bug in Wine headers
+#if defined(__WINE__) && defined(CFSTR_SHELLURL) && wxUSE_UNICODE
+#undef CFSTR_SHELLURL
+#define CFSTR_SHELLURL _T("CFSTR_SHELLURL")
+#endif
+
 class CFSTR_SHELLURLDataObject : public wxCustomDataObject
 {
 public:
@@ -1207,9 +1206,9 @@ public:
 
 wxURLDataObject::wxURLDataObject(const wxString& url)
 {
-    // we support CF_TEXT and CFSTR_SHELLURL formats which are basicly the same
-    // but it seems that some browsers only provide one of them so we have to
-    // support both
+    // we support CF_TEXT and CFSTR_SHELLURL formats which are basically the
+    // same but it seems that some browsers only provide one of them so we have
+    // to support both
     Add(new wxTextDataObject);
     Add(new CFSTR_SHELLURLDataObject());
 
@@ -1246,13 +1245,19 @@ wxString wxURLDataObject::GetURL() const
 
 void wxURLDataObject::SetURL(const wxString& url)
 {
-    SetData(wxDataFormat(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT),
-            url.Length()+1, url.c_str());
+    wxCharBuffer urlMB(url.mb_str());
+    if ( urlMB )
+    {
+        const size_t len = strlen(urlMB) + 1; // size with trailing NUL
+#if !wxUSE_UNICODE
+        SetData(wxDF_TEXT, len, urlMB);
+#endif
+        SetData(wxDataFormat(CFSTR_SHELLURL), len, urlMB);
+    }
 
-    // CFSTR_SHELLURL is always supposed to be ANSI...
-    wxWX2MBbuf urlA = (wxWX2MBbuf)url.mbc_str();
-    size_t len = strlen(urlA);
-    SetData(wxDataFormat(CFSTR_SHELLURL), len+1, (const char*)urlA);
+#if wxUSE_UNICODE
+    SetData(wxDF_UNICODETEXT, url.length() + 1, url.wc_str());
+#endif
 }
 
 // ----------------------------------------------------------------------------