X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ffdaf81b5cf0573ad766c4a4e672d28422f7417..b5435dccd098ae153c3b7b3b8fca8dd0d763986c:/src/msw/clipbrd.cpp?ds=sidebyside

diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp
index 043d879ae2..3bd80dd069 100644
--- a/src/msw/clipbrd.cpp
+++ b/src/msw/clipbrd.cpp
@@ -5,8 +5,8 @@
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
@@ -52,18 +52,22 @@
 #include "wx/clipbrd.h"
 
 #include <string.h>
-#include <windows.h>
 
 #include "wx/msw/private.h"
+
+#if wxUSE_WXDIB
 #include "wx/msw/dib.h"
+#endif
 
 // wxDataObject is tied to OLE/drag and drop implementation, therefore so are
 // the functions using wxDataObject in wxClipboard
-#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP
+//#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP
 
 #if wxUSE_DATAOBJ
     #include "wx/dataobj.h"
+#endif
 
+#if wxUSE_OLE && !defined(__WXWINCE__)
     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1
 #else // !wxUSE_DATAOBJ
@@ -75,10 +79,6 @@
     #include <ole2.h>
 #endif // wxUSE_OLE_CLIPBOARD
 
-#ifdef __WIN16__
-    #define memcpy hmemcpy
-#endif
-
 // ===========================================================================
 // implementation
 // ===========================================================================
@@ -146,12 +146,30 @@ bool wxIsClipboardOpened()
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {
-    // for bitmaps, DIBs will also do
-    return (::IsClipboardFormatAvailable(dataFormat) != 0) ||
-           (dataFormat.GetFormatId() == CF_BITMAP &&
-            ::IsClipboardFormatAvailable(CF_DIB));
+    if ( ::IsClipboardFormatAvailable(dataFormat) )
+    {
+        // ok from the first try
+        return TRUE;
+    }
+
+    // for several standard formats, we can convert from some other ones too
+    switch ( dataFormat.GetFormatId() )
+    {
+        // for bitmaps, DIBs will also do
+        case CF_BITMAP:
+            return ::IsClipboardFormatAvailable(CF_DIB) != 0;
+
+#if wxUSE_ENH_METAFILE && !defined(__WIN16__) && !defined(__WXWINCE__)
+        case CF_METAFILEPICT:
+            return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0;
+#endif // wxUSE_ENH_METAFILE
+
+        default:
+            return FALSE;
+    }
 }
 
+
 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,
                         int width, int height)
@@ -196,19 +214,24 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 break;
             }
 
+#if wxUSE_WXDIB
         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
+
+                HGLOBAL hDIB = wxDIB::ConvertFromBitmap(GetHbitmapOf(*bitmap));
+                if ( hDIB )
+                {
+                    handle = ::SetClipboardData(CF_DIB, hDIB);
+                }
                 break;
             }
+#endif
 
-#if wxUSE_METAFILE
+    // VZ: I'm told that this code works, but it doesn't seem to work for me
+    //     and, anyhow, I'd be highly surprised if it did. So I leave it here
+    //     but IMNSHO it is completely broken.
+#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) && !defined(__WXWINCE__)
         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;
@@ -225,7 +248,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 handle = SetClipboardData(CF_METAFILEPICT, data);
                 break;
             }
-#endif
+#endif // wxUSE_METAFILE
+
+#if wxUSE_ENH_METAFILE && !defined(__WIN16__) && !defined(__WXWINCE__)
+        case wxDF_ENHMETAFILE:
+            {
+                wxEnhMetaFile *emf = (wxEnhMetaFile *)data;
+                wxEnhMetaFile emfCopy = *emf;
+
+                handle = SetClipboardData(CF_ENHMETAFILE,
+                                          (void *)emfCopy.GetHENHMETAFILE());
+            }
+            break;
+#endif // wxUSE_ENH_METAFILE
+
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
@@ -260,6 +296,80 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 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 )
@@ -278,6 +388,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
     switch ( dataFormat )
     {
+#ifndef __WXWINCE__
         case wxDF_BITMAP:
             {
                 BITMAP bm;
@@ -319,21 +430,21 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 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;
             }
-
+#endif
         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;
@@ -353,11 +464,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if (!s)
                     break;
 
-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);
 
                 memcpy(s, lpGlobalMemory, hsize);
 
-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);
 
                 retval = s;
                 break;
@@ -377,11 +488,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if ( !buf )
                     break;
 
-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);
 
                 memcpy(buf, lpGlobalMemory, size);
 
-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);
 
                 retval = buf;
                 break;
@@ -398,7 +509,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
 wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {
-  return ::EnumClipboardFormats(dataFormat);
+  return (wxDataFormat::NativeFormat)::EnumClipboardFormats(dataFormat);
 }
 
 int wxRegisterClipboardFormat(wxChar *formatName)
@@ -419,11 +530,10 @@ bool wxGetClipboardFormatName(wxDataFormat dataFormat,
 
 IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
 
-wxClipboard* wxTheClipboard = (wxClipboard *)NULL;
-
 wxClipboard::wxClipboard()
 {
     m_clearOnExit = FALSE;
+    m_isOpened = FALSE;
 }
 
 wxClipboard::~wxClipboard()
@@ -439,7 +549,7 @@ void wxClipboard::Clear()
 #if wxUSE_OLE_CLIPBOARD
     if ( FAILED(OleSetClipboard(NULL)) )
     {
-        wxLogLastError("OleSetClipboard(NULL)");
+        wxLogLastError(wxT("OleSetClipboard(NULL)"));
     }
 #endif
 }
@@ -449,7 +559,7 @@ bool wxClipboard::Flush()
 #if wxUSE_OLE_CLIPBOARD
     if ( FAILED(OleFlushClipboard()) )
     {
-        wxLogLastError("OleFlushClipboard");
+        wxLogLastError(wxT("OleFlushClipboard"));
 
         return FALSE;
     }
@@ -467,6 +577,7 @@ bool wxClipboard::Flush()
 bool wxClipboard::Open()
 {
     // OLE opens clipboard for us
+    m_isOpened = TRUE;
 #if wxUSE_OLE_CLIPBOARD
     return TRUE;
 #else
@@ -474,9 +585,20 @@ bool wxClipboard::Open()
 #endif
 }
 
+bool wxClipboard::IsOpened() const
+{
+#if wxUSE_OLE_CLIPBOARD
+    return m_isOpened;
+#else
+    return wxIsClipboardOpened();
+#endif
+}
+
 bool wxClipboard::SetData( wxDataObject *data )
 {
+#if !wxUSE_OLE_CLIPBOARD
     (void)wxEmptyClipboard();
+#endif // wxUSE_OLE_CLIPBOARD
 
     if ( data )
         return AddData(data);
@@ -516,7 +638,7 @@ bool wxClipboard::AddData( wxDataObject *data )
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
 
-    wxDataFormat format = data->GetFormat();
+    wxDataFormat format = data->GetPreferredFormat();
 
     switch ( format )
     {
@@ -533,23 +655,35 @@ bool wxClipboard::AddData( wxDataObject *data )
         {
             wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
             wxBitmap bitmap(bitmapDataObject->GetBitmap());
-            return wxSetClipboardData(data->GetFormat(), &bitmap);
+            return wxSetClipboardData(data->GetPreferredFormat(), &bitmap);
         }
 
 #if wxUSE_METAFILE
         case wxDF_METAFILE:
         {
-            wxMetafileDataObject* metaFileDataObject = 
+#if 1
+            // TODO
+            wxLogError("Not implemented because wxMetafileDataObject does not contain width and height values.");
+            return FALSE;
+#else
+            wxMetafileDataObject* metaFileDataObject =
                 (wxMetafileDataObject*) data;
             wxMetafile metaFile = metaFileDataObject->GetMetafile();
             return wxSetClipboardData(wxDF_METAFILE, &metaFile,
                                       metaFileDataObject->GetWidth(),
                                       metaFileDataObject->GetHeight());
+#endif
         }
 #endif // wxUSE_METAFILE
 
         default:
-            return wxSetClipboardData(data);
+        {
+// This didn't compile, of course
+//            return wxSetClipboardData(data);
+            // TODO
+            wxLogError(wxT("Not implemented."));
+            return FALSE;
+        }
     }
 #else // !wxUSE_DATAOBJ
     return FALSE;
@@ -558,6 +692,7 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 void wxClipboard::Close()
 {
+    m_isOpened = FALSE;
     // OLE closes clipboard for us
 #if !wxUSE_OLE_CLIPBOARD
     wxCloseClipboard();
@@ -569,10 +704,8 @@ bool wxClipboard::IsSupported( wxDataFormat format )
     return wxIsClipboardFormatAvailable(format);
 }
 
-bool wxClipboard::GetData( wxDataObject *data )
+bool wxClipboard::GetData( wxDataObject& data )
 {
-    wxCHECK_MSG( data, FALSE, wxT("invalid data object") );
-
 #if wxUSE_OLE_CLIPBOARD
     IDataObject *pDataObject = NULL;
     HRESULT hr = OleGetClipboard(&pDataObject);
@@ -584,8 +717,9 @@ bool wxClipboard::GetData( wxDataObject *data )
     }
 
     // build the list of supported formats
-    size_t nFormats = data->GetFormatCount(FALSE /* for SetData() */);
-    wxDataFormat format, *formats;
+    size_t nFormats = data.GetFormatCount(wxDataObject::Set);
+    wxDataFormat format;
+    wxDataFormat *formats;
     if ( nFormats == 1 )
     {
         // the most common case
@@ -597,7 +731,7 @@ bool wxClipboard::GetData( wxDataObject *data )
         formats = new wxDataFormat[nFormats];
     }
 
-    data->GetAllFormats(formats, FALSE);
+    data.GetAllFormats(formats, wxDataObject::Set);
 
     // get the format enumerator
     bool result = FALSE;
@@ -661,7 +795,6 @@ bool wxClipboard::GetData( wxDataObject *data )
         formatEtc.ptd      = NULL;
         formatEtc.dwAspect = DVASPECT_CONTENT;
         formatEtc.lindex   = -1;
-        formatEtc.tymed    = TYMED_HGLOBAL;
 
         size_t nSupportedFormats = supportedFormats.GetCount();
         for ( size_t n = 0; !result && (n < nSupportedFormats); n++ )
@@ -669,6 +802,25 @@ bool wxClipboard::GetData( wxDataObject *data )
             STGMEDIUM medium;
             formatEtc.cfFormat = supportedFormats[n];
 
+            // 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_ENHMETAFILE:
+                    formatEtc.tymed = TYMED_ENHMF;
+                    break;
+#endif
+                default:
+                    formatEtc.tymed = TYMED_HGLOBAL;
+            }
+
             // try to get data
             hr = pDataObject->GetData(&formatEtc, &medium);
             if ( FAILED(hr) )
@@ -684,7 +836,7 @@ bool wxClipboard::GetData( wxDataObject *data )
             if ( SUCCEEDED(hr) )
             {
                 // pass the data to the data object
-                hr = data->GetInterface()->SetData(&formatEtc, &medium, TRUE);
+                hr = data.GetInterface()->SetData(&formatEtc, &medium, TRUE);
                 if ( FAILED(hr) )
                 {
                     wxLogDebug(wxT("Failed to set data in wxIDataObject"));
@@ -710,94 +862,57 @@ bool wxClipboard::GetData( wxDataObject *data )
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
 
-    wxDataFormat format = data->GetFormat();
+    wxDataFormat format = data.GetPreferredFormat();
     switch ( format )
     {
         case wxDF_TEXT:
         case wxDF_OEMTEXT:
         {
-            wxTextDataObject* textDataObject = (wxTextDataObject*) data;
-            char* s = (char*) wxGetClipboardData(format);
-            if ( s )
-            {
-                textDataObject->SetText(s);
-                delete[] s;
-                return TRUE;
-            }
-            else
+            wxTextDataObject& textDataObject = (wxTextDataObject &)data;
+            char* s = (char*)wxGetClipboardData(format);
+            if ( !s )
                 return FALSE;
+
+            textDataObject.SetText(wxString::FromAscii(s));
+            delete [] s;
+
+            return TRUE;
         }
 
         case wxDF_BITMAP:
         case wxDF_DIB:
         {
-            wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject *)data;
-            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetFormat());
-            if (bitmap)
-            {
-                bitmapDataObject->SetBitmap(* bitmap);
-                delete bitmap;
-                return TRUE;
-            }
-            else
+            wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
+            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data.GetPreferredFormat());
+            if ( !bitmap )
                 return FALSE;
+
+            bitmapDataObject.SetBitmap(*bitmap);
+            delete bitmap;
+
+            return TRUE;
         }
 #if wxUSE_METAFILE
         case wxDF_METAFILE:
         {
-            wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject *)data;
+            wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
             wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
-            if (metaFile)
-            {
-                metaFileDataObject->SetMetafile(*metaFile);
-                delete metaFile;
-                return TRUE;
-            }
-            else
+            if ( !metaFile )
                 return FALSE;
-        }
-#endif
-        default:
-            {
-                long len;
-                void *buf = wxGetClipboardData(format, &len);
-                if ( buf )
-                {
-                    // FIXME this is for testing only!!
-                    ((wxPrivateDataObject *)data)->SetData(buf, len);
-                    free(buf);
 
-                    return TRUE;
-                }
-            }
+            metaFileDataObject.SetMetafile(*metaFile);
+            delete metaFile;
 
-            return FALSE;
+            return TRUE;
+        }
+#endif // wxUSE_METAFILE
     }
+    return FALSE;
 #else // !wxUSE_DATAOBJ
+    wxFAIL_MSG( wxT("no clipboard implementation") );
     return FALSE;
-#endif // wxUSE_DATAOBJ/!wxUSE_DATAOBJ
-}
-
-//-----------------------------------------------------------------------------
-// wxClipboardModule
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule,wxModule)
-
-bool wxClipboardModule::OnInit()
-{
-    wxTheClipboard = new wxClipboard();
-
-    return TRUE;
-}
-
-void wxClipboardModule::OnExit()
-{
-    if (wxTheClipboard) delete wxTheClipboard;
-    wxTheClipboard = (wxClipboard*) NULL;
+#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ
 }
 
-#else
-    #error "Please turn wxUSE_CLIPBOARD on to compile this file."
 #endif // wxUSE_CLIPBOARD