X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/837e57436a89516a5fa9f478f401e06bd872c17c..020707bba9c960c155f4257d9a027d6aecdae5b8:/src/msw/clipbrd.cpp diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp index 5f8cc9d74d..9d35124765 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 ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -17,7 +17,7 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "clipbrd.h" #endif @@ -52,23 +52,33 @@ #include "wx/clipbrd.h" #include -#include #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 is wxClipboard :-( -#if wxUSE_DRAG_AND_DROP - #include "wx/dataobj.h" +// 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 - static bool wxSetClipboardData(wxDataObject *data); +#if wxUSE_DATAOBJ + #include "wx/dataobj.h" #endif -#ifdef __WIN16__ - #define memcpy hmemcpy +#if wxUSE_OLE && !defined(__WXWINCE__) + // use OLE clipboard + #define wxUSE_OLE_CLIPBOARD 1 +#else // !wxUSE_DATAOBJ + // use Win clipboard API + #define wxUSE_OLE_CLIPBOARD 0 #endif +#if wxUSE_OLE_CLIPBOARD + #include +#endif // wxUSE_OLE_CLIPBOARD + // =========================================================================== // implementation // =========================================================================== @@ -81,7 +91,7 @@ static bool gs_wxClipboardIsOpen = FALSE; bool wxOpenClipboard() { - wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, _T("clipboard already opened.") ); + wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, wxT("clipboard already opened.") ); wxWindow *win = wxTheApp->GetTopWindow(); if ( win ) @@ -95,7 +105,7 @@ bool wxOpenClipboard() } else { - wxLogDebug(_T("Can not open clipboard without a main window.")); + wxLogDebug(wxT("Can not open clipboard without a main window.")); return FALSE; } @@ -103,7 +113,7 @@ bool wxOpenClipboard() bool wxCloseClipboard() { - wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, _T("clipboard is not opened") ); + wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, wxT("clipboard is not opened") ); gs_wxClipboardIsOpen = FALSE; @@ -136,40 +146,31 @@ bool wxIsClipboardOpened() bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat) { - return ::IsClipboardFormatAvailable(dataFormat) != 0; -} + wxDataFormat::NativeFormat cf = dataFormat.GetFormatId(); -#if wxUSE_DRAG_AND_DROP -static bool wxSetClipboardData(wxDataObject *data) -{ - size_t size = data->GetDataSize(); - HANDLE hGlobal = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, size); - if ( !hGlobal ) + if ( ::IsClipboardFormatAvailable(cf) ) { - wxLogSysError(_("Failed to allocate %dKb of memory for clipboard " - "transfer."), size / 1024); - - return FALSE; + // ok from the first try + return TRUE; } - LPVOID lpGlobalMemory = ::GlobalLock(hGlobal); - - data->GetDataHere(lpGlobalMemory); - - GlobalUnlock(hGlobal); - - wxDataFormat format = data->GetPreferredFormat(); - if ( !::SetClipboardData(format, hGlobal) ) + // for several standard formats, we can convert from some other ones too + switch ( cf ) { - wxLogSysError(_("Failed to set clipboard data in format %s"), - wxDataObject::GetFormatName(format)); + // for bitmaps, DIBs will also do + case CF_BITMAP: + return ::IsClipboardFormatAvailable(CF_DIB) != 0; - return FALSE; - } +#if wxUSE_ENH_METAFILE && !defined(__WXWINCE__) + case CF_METAFILEPICT: + return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0; +#endif // wxUSE_ENH_METAFILE - return TRUE; + default: + return FALSE; + } } -#endif // wxUSE_DRAG_AND_DROP + bool wxSetClipboardData(wxDataFormat dataFormat, const void *data, @@ -215,19 +216,27 @@ 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 = BitmapToDIB(hBitmap, (HPALETTE)NULL); - handle = SetClipboardData(CF_DIB, hDIB); -#endif + + if ( bitmap && bitmap->Ok() ) + { + wxDIB dib(*bitmap); + if ( dib.IsOk() ) + { + handle = ::SetClipboardData(CF_DIB, dib.Detach()); + } + } 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; @@ -244,7 +253,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat, handle = SetClipboardData(CF_METAFILEPICT, data); break; } -#endif +#endif // wxUSE_METAFILE + +#if wxUSE_ENH_METAFILE && !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: @@ -279,6 +301,80 @@ 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" + "\r\n" + "\r\n"); + + // Append the HTML... + strcat(buf, html); + strcat(buf, "\r\n"); + // Finish up the HTML format... + strcat(buf, + "\r\n" + "\r\n" + ""); + + // 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, "") - 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, "