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

diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp
index 013448c3aca509fb4c27c7bda1ad290010405883..5c06269c927f923edc7a99a5d38a0a129ca54df0 100644 (file)
--- a/src/msw/clipbrd.cpp
+++ b/src/msw/clipbrd.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================


@@ -17,7 +17,7 @@
 // headers
 // ---------------------------------------------------------------------------
 
 // headers
 // ---------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "clipbrd.h"
 #endif
 
     #pragma implementation "clipbrd.h"
 #endif
 


@@ -52,11 +52,10 @@
 #include "wx/clipbrd.h"
 
 #include <string.h>
 #include "wx/clipbrd.h"
 
 #include <string.h>

-#include <windows.h>

 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 

-#ifndef __WXMICROWIN__
+#if wxUSE_WXDIB

 #include "wx/msw/dib.h"
 #endif
 
 #include "wx/msw/dib.h"
 #endif
 


@@ -68,7 +67,7 @@
     #include "wx/dataobj.h"
 #endif
 
     #include "wx/dataobj.h"
 #endif
 

-#if wxUSE_OLE
+#if wxUSE_OLE && !defined(__WXWINCE__)

     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1
 #else // !wxUSE_DATAOBJ
     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1
 #else // !wxUSE_DATAOBJ


@@ -80,10 +79,6 @@
     #include <ole2.h>
 #endif // wxUSE_OLE_CLIPBOARD
 
     #include <ole2.h>
 #endif // wxUSE_OLE_CLIPBOARD
 

-#ifdef __WIN16__
-    #define memcpy hmemcpy
-#endif
-

 // ===========================================================================
 // implementation
 // ===========================================================================
 // ===========================================================================
 // implementation
 // ===========================================================================


@@ -151,20 +146,22 @@ bool wxIsClipboardOpened()
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {

-    if ( ::IsClipboardFormatAvailable(dataFormat) )
+   wxDataFormat::NativeFormat cf = dataFormat.GetFormatId();
+
+    if ( ::IsClipboardFormatAvailable(cf) )

     {
         // ok from the first try
         return TRUE;
     }
 
     // for several standard formats, we can convert from some other ones too
     {
         // ok from the first try
         return TRUE;
     }
 
     // for several standard formats, we can convert from some other ones too

-    switch ( dataFormat.GetFormatId() )
+    switch ( cf )

     {
         // for bitmaps, DIBs will also do
         case CF_BITMAP:
             return ::IsClipboardFormatAvailable(CF_DIB) != 0;
 
     {
         // for bitmaps, DIBs will also do
         case CF_BITMAP:
             return ::IsClipboardFormatAvailable(CF_DIB) != 0;
 

-#if wxUSE_ENH_METAFILE && !defined(__WIN16__)
+#if wxUSE_ENH_METAFILE && !defined(__WIN16__) && !defined(__WXWINCE__)

         case CF_METAFILEPICT:
             return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0;
 #endif // wxUSE_ENH_METAFILE
         case CF_METAFILEPICT:
             return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0;
 #endif // wxUSE_ENH_METAFILE


@@ -174,6 +171,7 @@ bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
     }
 }
 
     }
 }
 

+

 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,
                         int width, int height)
 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,
                         int width, int height)


@@ -218,22 +216,24 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 break;
             }
 
                 break;
             }
 

+#if wxUSE_WXDIB

         case wxDF_DIB:
             {
         case wxDF_DIB:
             {

-#if wxUSE_IMAGE_LOADING_IN_MSW

                 wxBitmap *bitmap = (wxBitmap *)data;
                 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
+
+                HGLOBAL hDIB = wxDIB::ConvertFromBitmap(GetHbitmapOf(*bitmap));
+                if ( hDIB )
+                {
+                    handle = ::SetClipboardData(CF_DIB, hDIB);
+                }

                 break;
             }
                 break;
             }

+#endif

 
     // VZ: I'm told that this code works, but it doesn't seem to work for me
 
     // VZ: I'm told that this code works, but it doesn't seem to work for me

-    //     and, anyhow, I'd be highly surprized if it did. So I leave it here
+    //     and, anyhow, I'd be highly surprised if it did. So I leave it here

     //     but IMNSHO it is completely broken.
     //     but IMNSHO it is completely broken.

-#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH)
+#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) && !defined(__WXWINCE__)

         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;
         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;


@@ -252,7 +252,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
             }
 #endif // wxUSE_METAFILE
 
             }
 #endif // wxUSE_METAFILE
 

-#if wxUSE_ENH_METAFILE && !defined(__WIN16__)
+#if wxUSE_ENH_METAFILE && !defined(__WIN16__) && !defined(__WXWINCE__)

         case wxDF_ENHMETAFILE:
             {
                 wxEnhMetaFile *emf = (wxEnhMetaFile *)data;
         case wxDF_ENHMETAFILE:
             {
                 wxEnhMetaFile *emf = (wxEnhMetaFile *)data;


@@ -298,6 +298,80 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 handle = SetClipboardData(dataFormat, hGlobalMemory);
                 break;
             }
                 handle = SetClipboardData(dataFormat, hGlobalMemory);
                 break;
             }

+            // Only tested with non-Unicode, Visual C++ 6.0 so far
+#if defined(__VISUALC__) && !defined(UNICODE)
+        case wxDF_HTML:
+            {
+                char* html = (char *)data;
+                
+                // Create temporary buffer for HTML header...
+                char *buf = new char [400 + strlen(html)];
+                if(!buf) return FALSE;
+                
+                // Get clipboard id for HTML format...
+                static int cfid = 0;
+                if(!cfid) cfid = RegisterClipboardFormat(wxT("HTML Format"));
+                
+                // Create a template string for the HTML header...
+                strcpy(buf,
+                    "Version:0.9\r\n"
+                    "StartHTML:00000000\r\n"
+                    "EndHTML:00000000\r\n"
+                    "StartFragment:00000000\r\n"
+                    "EndFragment:00000000\r\n"
+                    "<html><body>\r\n"
+                    "<!--StartFragment -->\r\n");
+                
+                // Append the HTML...
+                strcat(buf, html);
+                strcat(buf, "\r\n");
+                // Finish up the HTML format...
+                strcat(buf,
+                    "<!--EndFragment-->\r\n"
+                    "</body>\r\n"
+                    "</html>");
+                
+                // Now go back, calculate all the lengths, and write out the
+                // necessary header information. Note, wsprintf() truncates the
+                // string when you overwrite it so you follow up with code to replace
+                // the 0 appended at the end with a '\r'...
+                char *ptr = strstr(buf, "StartHTML");
+                wsprintf(ptr+10, "%08u", strstr(buf, "<html>") - buf);
+                *(ptr+10+8) = '\r';
+                
+                ptr = strstr(buf, "EndHTML");
+                wsprintf(ptr+8, "%08u", strlen(buf));
+                *(ptr+8+8) = '\r';
+                
+                ptr = strstr(buf, "StartFragment");
+                wsprintf(ptr+14, "%08u", strstr(buf, "<!--StartFrag") - buf);
+                *(ptr+14+8) = '\r';
+                
+                ptr = strstr(buf, "EndFragment");
+                wsprintf(ptr+12, "%08u", strstr(buf, "<!--EndFrag") - buf);
+                *(ptr+12+8) = '\r';
+                
+                // Now you have everything in place ready to put on the
+                // clipboard.
+                
+                // Allocate global memory for transfer...
+                HGLOBAL hText = GlobalAlloc(GMEM_MOVEABLE |GMEM_DDESHARE, strlen(buf)+4);
+                
+                // Put your string in the global memory...
+                ptr = (char *)GlobalLock(hText);
+                strcpy(ptr, buf);
+                GlobalUnlock(hText);
+                
+                handle = ::SetClipboardData(cfid, hText);
+                
+                // Free memory...
+                GlobalFree(hText);
+                
+                // Clean up...
+                delete [] buf;
+                break;
+            }
+#endif

     }
 
     if ( handle == 0 )
     }
 
     if ( handle == 0 )


@@ -316,6 +390,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
     switch ( dataFormat )
     {
 
     switch ( dataFormat )
     {

+#ifndef __WXWINCE__

         case wxDF_BITMAP:
             {
                 BITMAP bm;
         case wxDF_BITMAP:
             {
                 BITMAP bm;


@@ -357,23 +432,18 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 wxBM->SetWidth(bm.bmWidth);
                 wxBM->SetHeight(bm.bmHeight);
                 wxBM->SetDepth(bm.bmPlanes);
                 wxBM->SetWidth(bm.bmWidth);
                 wxBM->SetHeight(bm.bmHeight);
                 wxBM->SetDepth(bm.bmPlanes);

-#if WXWIN_COMPATIBILITY_2
-                wxBM->SetOk(TRUE);
-#endif // WXWIN_COMPATIBILITY_2

                 retval = wxBM;
                 break;
             }
                 retval = wxBM;
                 break;
             }

-
+#endif

         case wxDF_METAFILE:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_PALETTE:
         case wxDF_DIB:
         case wxDF_METAFILE:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_PALETTE:
         case wxDF_DIB:

-            {
-                wxLogError(_("Unsupported clipboard format."));
-                return FALSE;
-            }
+            wxLogError(_("Unsupported clipboard format."));
+            return NULL;

 
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;
 
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;


@@ -393,11 +463,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if (!s)
                     break;
 
                 if (!s)
                     break;
 

-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);

 
                 memcpy(s, lpGlobalMemory, hsize);
 
 
                 memcpy(s, lpGlobalMemory, hsize);
 

-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);

 
                 retval = s;
                 break;
 
                 retval = s;
                 break;


@@ -417,11 +487,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if ( !buf )
                     break;
 
                 if ( !buf )
                     break;
 

-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);

 
                 memcpy(buf, lpGlobalMemory, size);
 
 
                 memcpy(buf, lpGlobalMemory, size);
 

-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);

 
                 retval = buf;
                 break;
 
                 retval = buf;
                 break;


@@ -462,6 +532,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
 wxClipboard::wxClipboard()
 {
     m_clearOnExit = FALSE;
 wxClipboard::wxClipboard()
 {
     m_clearOnExit = FALSE;

+    m_isOpened = FALSE;

 }
 
 wxClipboard::~wxClipboard()
 }
 
 wxClipboard::~wxClipboard()


@@ -505,6 +576,7 @@ bool wxClipboard::Flush()
 bool wxClipboard::Open()
 {
     // OLE opens clipboard for us
 bool wxClipboard::Open()
 {
     // OLE opens clipboard for us

+    m_isOpened = TRUE;

 #if wxUSE_OLE_CLIPBOARD
     return TRUE;
 #else
 #if wxUSE_OLE_CLIPBOARD
     return TRUE;
 #else


@@ -515,7 +587,7 @@ bool wxClipboard::Open()
 bool wxClipboard::IsOpened() const
 {
 #if wxUSE_OLE_CLIPBOARD
 bool wxClipboard::IsOpened() const
 {
 #if wxUSE_OLE_CLIPBOARD

-    return TRUE;
+    return m_isOpened;

 #else
     return wxIsClipboardOpened();
 #endif
 #else
     return wxIsClipboardOpened();
 #endif


@@ -608,7 +680,7 @@ bool wxClipboard::AddData( wxDataObject *data )
 // This didn't compile, of course
 //            return wxSetClipboardData(data);
             // TODO
 // This didn't compile, of course
 //            return wxSetClipboardData(data);
             // TODO

-            wxLogError("Not implemented.");
+            wxLogError(wxT("Not implemented."));

             return FALSE;
         }
     }
             return FALSE;
         }
     }


@@ -619,6 +691,7 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 void wxClipboard::Close()
 {
 
 void wxClipboard::Close()
 {

+    m_isOpened = FALSE;

     // OLE closes clipboard for us
 #if !wxUSE_OLE_CLIPBOARD
     wxCloseClipboard();
     // OLE closes clipboard for us
 #if !wxUSE_OLE_CLIPBOARD
     wxCloseClipboard();


@@ -659,9 +732,16 @@ bool wxClipboard::GetData( wxDataObject& data )
 
     data.GetAllFormats(formats, wxDataObject::Set);
 
 
     data.GetAllFormats(formats, wxDataObject::Set);
 

-    // get the format enumerator
+    // get the data for the given formats
+    FORMATETC formatEtc;
+    CLIPFORMAT cf;

     bool result = FALSE;
     bool result = FALSE;

-    wxArrayInt supportedFormats;
+
+    // enumerate all explicit formats on the clipboard.
+    // note that this does not include implicit / synthetic (automatically
+    // converted) formats.
+#ifdef __WXDEBUG__
+    // get the format enumerator

     IEnumFORMATETC *pEnumFormatEtc = NULL;
     hr = pDataObject->EnumFormatEtc(DATADIR_GET, &pEnumFormatEtc);
     if ( FAILED(hr) || !pEnumFormatEtc )
     IEnumFORMATETC *pEnumFormatEtc = NULL;
     hr = pDataObject->EnumFormatEtc(DATADIR_GET, &pEnumFormatEtc);
     if ( FAILED(hr) || !pEnumFormatEtc )


@@ -672,7 +752,6 @@ bool wxClipboard::GetData( wxDataObject& data )
     else
     {
         // ask for the supported formats and see if there are any we support
     else
     {
         // ask for the supported formats and see if there are any we support

-        FORMATETC formatEtc;

         for ( ;; )
         {
             ULONG nCount;
         for ( ;; )
         {
             ULONG nCount;


@@ -685,101 +764,92 @@ bool wxClipboard::GetData( wxDataObject& data )
                 break;
             }
 
                 break;
             }
 

-            CLIPFORMAT cf = formatEtc.cfFormat;
+            cf = formatEtc.cfFormat;

 
 

-#ifdef __WXDEBUG__

             wxLogTrace(wxTRACE_OleCalls,
                        wxT("Object on the clipboard supports format %s."),
                        wxDataObject::GetFormatName(cf));
             wxLogTrace(wxTRACE_OleCalls,
                        wxT("Object on the clipboard supports format %s."),
                        wxDataObject::GetFormatName(cf));

-#endif // Debug
-
-            // is supported?
-            for ( size_t n = 0; n < nFormats; n++ )
-            {
-                if ( formats[n].GetFormatId() == cf )
-                {
-                    if ( supportedFormats.Index(cf) == wxNOT_FOUND )
-                    {
-                        supportedFormats.Add(cf);
-                    }
-                }
-            }

         }
 
         pEnumFormatEtc->Release();
     }
         }
 
         pEnumFormatEtc->Release();
     }

+#endif // Debug

 
 

-    if ( formats != &format )
-    {
-        delete [] formats;
-    }
-    //else: we didn't allocate any memory
-
-    if ( !supportedFormats.IsEmpty() )
+    STGMEDIUM medium;
+    // stop at the first valid format found on the clipboard
+    for ( size_t n = 0; !result && (n < nFormats); n++ )

     {
     {

-        FORMATETC formatEtc;
+        // convert to NativeFormat Id
+        cf = formats[n].GetFormatId();
+        
+        // if the format is not available, try the next one
+        // this test includes implicit / sythetic formats
+        if ( !::IsClipboardFormatAvailable(cf) )
+            continue;
+            
+        formatEtc.cfFormat = cf;

         formatEtc.ptd      = NULL;
         formatEtc.dwAspect = DVASPECT_CONTENT;
         formatEtc.lindex   = -1;
 
         formatEtc.ptd      = NULL;
         formatEtc.dwAspect = DVASPECT_CONTENT;
         formatEtc.lindex   = -1;
 

-        size_t nSupportedFormats = supportedFormats.GetCount();
-        for ( size_t n = 0; !result && (n < nSupportedFormats); n++ )
+        // use the appropriate tymed
+        switch ( formatEtc.cfFormat )

         {
         {

-            STGMEDIUM medium;
-            formatEtc.cfFormat = supportedFormats[n];
+            case CF_BITMAP:
+                formatEtc.tymed = TYMED_GDI;
+                break;

 
 

-            // use the appropriate tymed
-            switch ( formatEtc.cfFormat )
-            {
-                case CF_BITMAP:
-                    formatEtc.tymed = TYMED_GDI;
-                    break;
+#ifndef __WXWINCE__
+            case CF_METAFILEPICT:
+                formatEtc.tymed = TYMED_MFPICT;
+                break;

 
 

-                case CF_METAFILEPICT:
-                    formatEtc.tymed = TYMED_MFPICT;
-                    break;
+            case CF_ENHMETAFILE:
+                formatEtc.tymed = TYMED_ENHMF;
+                break;
+#endif

 
 

-                case CF_ENHMETAFILE:
-                    formatEtc.tymed = TYMED_ENHMF;
-                    break;
+            default:
+                formatEtc.tymed = TYMED_HGLOBAL;
+        }

 
 

-                default:
-                    formatEtc.tymed = TYMED_HGLOBAL;
+        // try to get data
+        hr = pDataObject->GetData(&formatEtc, &medium);
+        if ( FAILED(hr) )
+        {
+            // try other tymed for GDI objects
+            if ( formatEtc.cfFormat == CF_BITMAP )
+            {
+                formatEtc.tymed = TYMED_HGLOBAL;
+                hr = pDataObject->GetData(&formatEtc, &medium);

             }
             }

+        }

 
 

-            // try to get data
-            hr = pDataObject->GetData(&formatEtc, &medium);
+        if ( SUCCEEDED(hr) )
+        {
+            // pass the data to the data object
+            hr = data.GetInterface()->SetData(&formatEtc, &medium, TRUE);

             if ( FAILED(hr) )
             {
             if ( FAILED(hr) )
             {

-                // try other tymed for GDI objects
-                if ( formatEtc.cfFormat == CF_BITMAP )
-                {
-                    formatEtc.tymed = TYMED_HGLOBAL;
-                    hr = pDataObject->GetData(&formatEtc, &medium);
-                }
-            }
+                wxLogDebug(wxT("Failed to set data in wxIDataObject"));

 
 

-            if ( SUCCEEDED(hr) )
+                // IDataObject only takes the ownership of data if it
+                // successfully got it - which is not the case here
+                ReleaseStgMedium(&medium);
+            }
+            else

             {
             {

-                // pass the data to the data object
-                hr = data.GetInterface()->SetData(&formatEtc, &medium, TRUE);
-                if ( FAILED(hr) )
-                {
-                    wxLogDebug(wxT("Failed to set data in wxIDataObject"));
-
-                    // IDataObject only takes the ownership of data if it
-                    // successfully got it - which is not the case here
-                    ReleaseStgMedium(&medium);
-                }
-                else
-                {
-                    result = TRUE;
-                }
+                result = TRUE;

             }
             }

-            //else: unsupported tymed?

         }
         }

+        //else: unsupported tymed?
+    }
+
+    if ( formats != &format )
+    {
+        delete [] formats;

     }
     }

-    //else: unsupported format
+    //else: we didn't allocate any memory

 
     // clean up and return
     pDataObject->Release();
 
     // clean up and return
     pDataObject->Release();


@@ -799,7 +869,7 @@ bool wxClipboard::GetData( wxDataObject& data )
             if ( !s )
                 return FALSE;
 
             if ( !s )
                 return FALSE;
 

-            textDataObject.SetText(s);
+            textDataObject.SetText(wxString::FromAscii(s));

             delete [] s;
 
             return TRUE;
             delete [] s;
 
             return TRUE;