X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/837e57436a89516a5fa9f478f401e06bd872c17c..23d2edff3505385801313910ece449bdb959f0f1:/src/msw/clipbrd.cpp diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp index 5f8cc9d74d..7f07e896eb 100644 --- a/src/msw/clipbrd.cpp +++ b/src/msw/clipbrd.cpp @@ -55,16 +55,31 @@ #include #include "wx/msw/private.h" + +#ifndef __WXMICROWIN__ #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 -// wxDataObject is tied to OLE/drag and drop implementation, -// therefore so is wxClipboard :-( -#if wxUSE_DRAG_AND_DROP +#if wxUSE_DATAOBJ #include "wx/dataobj.h" +#endif - static bool wxSetClipboardData(wxDataObject *data); +#if wxUSE_OLE + // 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 + #ifdef __WIN16__ #define memcpy hmemcpy #endif @@ -81,7 +96,7 @@ 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 +110,7 @@ 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 +118,7 @@ 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 +151,28 @@ bool wxIsClipboardOpened() bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat) { - return ::IsClipboardFormatAvailable(dataFormat) != 0; -} - -#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(dataFormat) ) { - 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 ( dataFormat.GetFormatId() ) { - 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(__WIN16__) + 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, @@ -221,13 +224,16 @@ bool wxSetClipboardData(wxDataFormat dataFormat, wxBitmap *bitmap = (wxBitmap *)data; HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP(); // NULL palette means to use the system one - HANDLE hDIB = BitmapToDIB(hBitmap, (HPALETTE)NULL); + HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); handle = SetClipboardData(CF_DIB, hDIB); -#endif +#endif // wxUSE_IMAGE_LOADING_IN_MSW break; } -#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 surprized if it did. So I leave it here + // but IMNSHO it is completely broken. +#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) case wxDF_METAFILE: { wxMetafile *wxMF = (wxMetafile *)data; @@ -244,7 +250,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat, handle = SetClipboardData(CF_METAFILEPICT, data); break; } -#endif +#endif // wxUSE_METAFILE + +#if wxUSE_ENH_METAFILE && !defined(__WIN16__) + 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 +298,80 @@ 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, "