]> git.saurik.com Git - wxWidgets.git/blobdiff - src/mac/carbon/clipbrd.cpp
applied correction from Marc Newsam in calculations of linesize
[wxWidgets.git] / src / mac / carbon / clipbrd.cpp
index 28a4b9ef3f793e2311c40ba9c4433c6c8ddfbf47..1e99ca3ce739603d45eb2db60a3babba6f133e1b 100644 (file)
 #include "wx/utils.h"
 #include "wx/metafile.h"
 #include "wx/clipbrd.h"
+#include "wx/intl.h"
+
+#define wxUSE_DATAOBJ 1
 
 #include <string.h>
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxClipboardClient, wxObject)
-#endif
+// open/close
+
+bool clipboard_opened = false ;
 
 bool wxOpenClipboard()
 {
+       clipboard_opened = true ;
     return TRUE;
 }
 
 bool wxCloseClipboard()
 {
-    return FALSE;
+       clipboard_opened = false ;
+    return TRUE;
 }
 
-bool wxEmptyClipboard()
+bool wxIsClipboardOpened()
 {
-               ZeroScrap() ;
-    return FALSE;
+     return clipboard_opened;
 }
 
-bool wxClipboardOpen()
+bool wxEmptyClipboard()
 {
-    // TODO
-    return FALSE;
+       
+#if TARGET_CARBON
+       OSStatus err ;
+       err = ClearCurrentScrap( );
+#else
+       OSErr err ;
+       err = ZeroScrap( );
+#endif
+       if ( err )
+       {
+        wxLogSysError(_("Failed to empty the clipboard."));
+               return FALSE ;
+       }
+    return TRUE;
 }
 
-bool wxIsClipboardFormatAvailable(int dataFormat)
+// get/set data
+
+// clipboard formats
+
+bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {
-    // TODO
-    return FALSE;
+#if TARGET_CARBON
+       OSStatus err = noErr;
+       ScrapRef scrapRef;
+       
+       err = GetCurrentScrap( &scrapRef );
+       if ( err != noTypeErr && err != memFullErr )    
+       {
+               ScrapFlavorFlags        flavorFlags;
+               Size                            byteCount;
+               
+               if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
+               {
+                       if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
+                       {
+                               return TRUE ;
+                       }
+               }
+       }
+       return FALSE;
+       
+#else
+       long offset ;
+       if ( GetScrap( NULL , dataFormat.GetFormatId() , &offset ) > 0 )
+       {
+               return TRUE ;
+       }
+     return FALSE;
+#endif
 }
 
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
+bool wxSetClipboardData(wxDataFormat dataFormat,const void *data,int width , int height)
 {
-    // TODO
-    return FALSE;
+#if !TARGET_CARBON
+       OSErr err = noErr ;
+#else
+       OSStatus err = noErr ;
+#endif
+       
+    switch (dataFormat.GetType())
+    {
+        case wxDF_BITMAP:
+            {
+               /*
+                wxBitmap *bitmap = (wxBitmap *)data;
+
+                HDC hdcMem = CreateCompatibleDC((HDC) NULL);
+                HDC hdcSrc = CreateCompatibleDC((HDC) NULL);
+                HBITMAP old = (HBITMAP)
+                    ::SelectObject(hdcSrc, (HBITMAP)bitmap->GetHBITMAP());
+                HBITMAP hBitmap = CreateCompatibleBitmap(hdcSrc,
+                                                         bitmap->GetWidth(),
+                                                         bitmap->GetHeight());
+                if (!hBitmap)
+                {
+                    SelectObject(hdcSrc, old);
+                    DeleteDC(hdcMem);
+                    DeleteDC(hdcSrc);
+                    return FALSE;
+                }
+
+                HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap);
+                BitBlt(hdcMem, 0, 0, bitmap->GetWidth(), bitmap->GetHeight(),
+                       hdcSrc, 0, 0, SRCCOPY);
+
+                // Select new bitmap out of memory DC
+                SelectObject(hdcMem, old1);
+
+                // Set the data
+                handle = ::SetClipboardData(CF_BITMAP, hBitmap);
+
+                // Clean up
+                SelectObject(hdcSrc, old);
+                DeleteDC(hdcSrc);
+                DeleteDC(hdcMem);
+                */
+                break;
+            }
+
+        case wxDF_DIB:
+            {
+               /*
+#if wxUSE_IMAGE_LOADING_IN_MSW
+                wxBitmap *bitmap = (wxBitmap *)data;
+                HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP();
+                // NULL palette means to use the system one
+                HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); 
+                handle = SetClipboardData(CF_DIB, hDIB);
+#endif // wxUSE_IMAGE_LOADING_IN_MSW
+*/
+                break;
+            }
+
+#if wxUSE_METAFILE
+        case wxDF_METAFILE:
+            {
+                wxMetafile *wxMF = (wxMetafile *)data;
+                               PicHandle pict = wxMF->GetHMETAFILE() ;
+                               HLock( (Handle) pict ) ;
+#if !TARGET_CARBON
+                               err = PutScrap( GetHandleSize(  (Handle) pict ) , 'PICT' , *pict ) ;
+#else
+                               ScrapRef        scrap;
+                               err = GetCurrentScrap (&scrap); 
+                               if ( !err )
+                               {
+                                       err = PutScrapFlavor (scrap, 'PICT', 0, GetHandleSize((Handle) pict), *pict);
+                               }
+#endif
+                               HUnlock(  (Handle) pict ) ;
+                break;
+            }
+#endif
+        case wxDF_SYLK:
+        case wxDF_DIF:
+        case wxDF_TIFF:
+        case wxDF_PALETTE:
+        default:
+            {
+                wxLogError(_("Unsupported clipboard format."));
+                return FALSE;
+            }
+
+        case wxDF_OEMTEXT:
+            dataFormat = wxDF_TEXT;
+            // fall through
+
+        case wxDF_TEXT:
+            {
+               wxString mac ;
+               if ( wxApp::s_macDefaultEncodingIsPC )
+               {
+                       mac = wxMacMakeMacStringFromPC((char *)data) ;
+               }
+               else
+               {
+                       mac = (char *)data ;
+               }
+#if !TARGET_CARBON
+                               err = PutScrap( mac.Length() , 'TEXT' , mac.c_str() ) ;
+#else
+                               ScrapRef        scrap;
+                               err = GetCurrentScrap (&scrap); 
+                               if ( !err )
+                               {
+                                       err = PutScrapFlavor (scrap, 'TEXT', 0, mac.Length(), mac.c_str());
+                               }
+#endif
+                break;
+            }
+    }
+
+    if ( err )
+    {
+        wxLogSysError(_("Failed to set clipboard data."));
+
+        return FALSE;
+    }
+
+    return TRUE;
 }
 
-wxObject *wxGetClipboardData(int dataFormat, long *len)
+wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {
-    // TODO
-    return NULL;
+    return wxDataFormat();
 }
 
-int  wxEnumClipboardFormats(int dataFormat)
+int  wxRegisterClipboardFormat(wxChar *formatName)
 {
-    // TODO
     return 0;
 }
 
-int  wxRegisterClipboardFormat(char *formatName)
+bool wxGetClipboardFormatName(wxDataFormat dataFormat, wxChar *formatName, int maxCount)
 {
-    // TODO
-    return 0;
+    return FALSE;
 }
 
-bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
+void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 {
-    // TODO
-    return FALSE;
+    return NULL;
 }
 
+
 /*
  * Generalized clipboard implementation by Matthew Flatt
  */
 
-wxClipboard *wxTheClipboard = NULL;
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
 
-void wxInitClipboard()
+wxClipboard::wxClipboard()
 {
-  if (!wxTheClipboard)
-    wxTheClipboard = new wxClipboard;
+    m_clearOnExit = FALSE;
 }
 
-wxClipboard::wxClipboard()
+wxClipboard::~wxClipboard()
 {
-  clipOwner = NULL;
-  cbString = NULL;
+    if ( m_clearOnExit )
+    {
+        Clear();
+    }
 }
 
-wxClipboard::~wxClipboard()
+void wxClipboard::Clear()
 {
-  if (clipOwner)
-    clipOwner->BeingReplaced();
-  if (cbString)
-    delete[] cbString;
+}
+
+bool wxClipboard::Flush()
+{
+    return FALSE;
+}
+
+bool wxClipboard::Open()
+{
+    return wxOpenClipboard();
+}
+
+bool wxClipboard::IsOpened() const
+{
+    return wxIsClipboardOpened();
 }
 
 static int FormatStringToID(char *str)
@@ -120,6 +299,130 @@ static int FormatStringToID(char *str)
   return wxRegisterClipboardFormat(str);
 }
 
+bool wxClipboard::SetData( wxDataObject *data )
+{
+    (void)wxEmptyClipboard();
+
+    if ( data )
+        return AddData(data);
+    else
+        return TRUE;
+}
+
+bool wxClipboard::AddData( wxDataObject *data )
+{
+    wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+
+#if wxUSE_DATAOBJ
+    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+
+    wxDataFormat format = data->GetPreferredFormat();
+
+    switch ( format.GetType() )
+    {
+        case wxDF_TEXT:
+        case wxDF_OEMTEXT:
+        {
+            wxTextDataObject* textDataObject = (wxTextDataObject*) data;
+            wxString str(textDataObject->GetText());
+            return wxSetClipboardData(format, str.c_str());
+        }
+
+        case wxDF_BITMAP:
+        case wxDF_DIB:
+        {
+            wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
+            wxBitmap bitmap(bitmapDataObject->GetBitmap());
+            return wxSetClipboardData(format, &bitmap);
+        }
+
+#if 0 // wxUSE_METAFILE
+        case wxDF_METAFILE:
+        {
+            wxMetafileDataObject* metaFileDataObject = 
+                (wxMetafileDataObject*) data;
+            wxMetafile metaFile = metaFileDataObject->GetMetafile();
+            return wxSetClipboardData(wxDF_METAFILE, &metaFile,
+                                      metaFileDataObject->GetWidth(),
+                                      metaFileDataObject->GetHeight());
+        }
+#endif // wxUSE_METAFILE
+
+        default:
+ //           return wxSetClipboardData(data);
+                               break ;
+    }
+#else // !wxUSE_DATAOBJ
+#endif 
+    return FALSE;
+}
+
+void wxClipboard::Close()
+{
+    wxCloseClipboard();
+}
+
+bool wxClipboard::IsSupported( const wxDataFormat &format )
+{
+    return wxIsClipboardFormatAvailable(format);
+}
+
+bool wxClipboard::GetData( wxDataObject& data )
+{
+#if wxUSE_DATAOBJ
+    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+
+    wxDataFormat format = data.GetPreferredFormat();
+    switch ( format )
+    {
+        case wxDF_TEXT:
+        case wxDF_OEMTEXT:
+        {
+            wxTextDataObject& textDataObject = (wxTextDataObject &)data;
+            char* s = (char*)wxGetClipboardData(format);
+            if ( !s )
+                return FALSE;
+
+            textDataObject.SetText(s);
+            delete [] s;
+
+            return TRUE;
+        }
+
+        case wxDF_BITMAP:
+        case wxDF_DIB:
+        {
+            wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
+            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(format );
+            if ( !bitmap )
+                return FALSE;
+
+            bitmapDataObject.SetBitmap(*bitmap);
+            delete bitmap;
+
+            return TRUE;
+        }
+#if 0 // wxUSE_METAFILE
+        case wxDF_METAFILE:
+        {
+            wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
+            wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
+            if ( !metaFile )
+                return FALSE;
+
+            metaFileDataObject.SetMetafile(*metaFile);
+            delete metaFile;
+
+            return TRUE;
+        }
+#endif // wxUSE_METAFILE
+    }
+#else // !wxUSE_DATAOBJ
+    wxFAIL_MSG( wxT("no clipboard implementation") );
+#endif
+    return FALSE;
+}
+/*
 void wxClipboard::SetClipboardClient(wxClipboardClient *client, long time)
 {
   bool got_selection;
@@ -167,7 +470,7 @@ wxClipboardClient *wxClipboard::GetClipboardClient()
 }
 
 void wxClipboard::SetClipboardString(char *str, long time)
-{/*
+{
   bool got_selection;
 
   if (clipOwner) {
@@ -193,9 +496,7 @@ void wxClipboard::SetClipboardString(char *str, long time)
     delete[] cbString;
     cbString = NULL;
   }
-  */
 }
-
 char *wxClipboard::GetClipboardString(long time)
 {
   char *str;
@@ -210,6 +511,7 @@ char *wxClipboard::GetClipboardString(long time)
   return str;
 }
 
+
 char *wxClipboard::GetClipboardData(char *format, long *length, long time)
 {
   if (clipOwner)  {
@@ -233,4 +535,5 @@ char *wxClipboard::GetClipboardData(char *format, long *length, long time)
     return receivedString;
   }
 }
+*/