X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ffdaf81b5cf0573ad766c4a4e672d28422f7417..6bb81c8e1ae2f7a0acc2535ebdfa776512cfe26f:/src/msw/clipbrd.cpp diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp index 043d879ae2..da105ae254 100644 --- a/src/msw/clipbrd.cpp +++ b/src/msw/clipbrd.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: clipbrd.cpp +// Name: src/msw/clipbrd.cpp // Purpose: Clipboard functionality // Author: Julian Smart // 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 ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "clipbrd.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,12 +24,10 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP - #include "wx/setup.h" -#endif - #if wxUSE_CLIPBOARD +#include "wx/clipbrd.h" + #ifndef WX_PRECOMP #include "wx/object.h" #include "wx/event.h" @@ -42,28 +36,29 @@ #include "wx/bitmap.h" #include "wx/utils.h" #include "wx/intl.h" + #include "wx/log.h" + #include "wx/dataobj.h" #endif #if wxUSE_METAFILE #include "wx/metafile.h" #endif -#include "wx/log.h" -#include "wx/clipbrd.h" #include -#include #include "wx/msw/private.h" -#include "wx/msw/dib.h" +#include "wx/msw/ole/oleutils.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 - -#if wxUSE_DATAOBJ - #include "wx/dataobj.h" +//#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP +#if wxUSE_OLE && !defined(__WXWINCE__) // use OLE clipboard #define wxUSE_OLE_CLIPBOARD 1 #else // !wxUSE_DATAOBJ @@ -75,10 +70,6 @@ #include #endif // wxUSE_OLE_CLIPBOARD -#ifdef __WIN16__ - #define memcpy hmemcpy -#endif - // =========================================================================== // implementation // =========================================================================== @@ -87,11 +78,11 @@ // old-style clipboard functions using Windows API // --------------------------------------------------------------------------- -static bool gs_wxClipboardIsOpen = FALSE; +static bool gs_wxClipboardIsOpen = false; bool wxOpenClipboard() { - wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, wxT("clipboard already opened.") ); + wxCHECK_MSG( !gs_wxClipboardIsOpen, true, wxT("clipboard already opened.") ); wxWindow *win = wxTheApp->GetTopWindow(); if ( win ) @@ -99,32 +90,34 @@ bool wxOpenClipboard() gs_wxClipboardIsOpen = ::OpenClipboard((HWND)win->GetHWND()) != 0; if ( !gs_wxClipboardIsOpen ) + { wxLogSysError(_("Failed to open the clipboard.")); + } return gs_wxClipboardIsOpen; } else { - wxLogDebug(wxT("Can not open clipboard without a main window.")); + wxLogDebug(wxT("Cannot open clipboard without a main window.")); - return FALSE; + return false; } } bool wxCloseClipboard() { - wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, wxT("clipboard is not opened") ); + wxCHECK_MSG( gs_wxClipboardIsOpen, false, wxT("clipboard is not opened") ); - gs_wxClipboardIsOpen = FALSE; + gs_wxClipboardIsOpen = false; if ( ::CloseClipboard() == 0 ) { wxLogSysError(_("Failed to close the clipboard.")); - return FALSE; + return false; } - return TRUE; + return true; } bool wxEmptyClipboard() @@ -133,10 +126,10 @@ bool wxEmptyClipboard() { wxLogSysError(_("Failed to empty the clipboard.")); - return FALSE; + return false; } - return TRUE; + return true; } bool wxIsClipboardOpened() @@ -146,12 +139,32 @@ bool wxIsClipboardOpened() bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat) { - // for bitmaps, DIBs will also do - return (::IsClipboardFormatAvailable(dataFormat) != 0) || - (dataFormat.GetFormatId() == CF_BITMAP && - ::IsClipboardFormatAvailable(CF_DIB)); + 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 + switch ( cf ) + { + // for bitmaps, DIBs will also do + case CF_BITMAP: + return ::IsClipboardFormatAvailable(CF_DIB) != 0; + +#if wxUSE_ENH_METAFILE && !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) @@ -176,7 +189,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat, SelectObject(hdcSrc, old); DeleteDC(hdcMem); DeleteDC(hdcSrc); - return FALSE; + return false; } HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap); @@ -196,19 +209,27 @@ 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 = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); - handle = SetClipboardData(CF_DIB, hDIB); -#endif // wxUSE_IMAGE_LOADING_IN_MSW + + if ( bitmap && bitmap->IsOk() ) + { + 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; @@ -225,7 +246,20 @@ 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: @@ -233,7 +267,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat, default: { wxLogError(_("Unsupported clipboard format.")); - return FALSE; + return false; } case wxDF_OEMTEXT: @@ -260,16 +294,90 @@ bool wxSetClipboardData(wxDataFormat dataFormat, handle = SetClipboardData(dataFormat, hGlobalMemory); break; } + // Only tested with Visual C++ 6.0 so far +#if defined(__VISUALC__) + 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"); + sprintf(ptr+10, "%08u", strstr(buf, "") - buf); + *(ptr+10+8) = '\r'; + + ptr = strstr(buf, "EndHTML"); + sprintf(ptr+8, "%08u", strlen(buf)); + *(ptr+8+8) = '\r'; + + ptr = strstr(buf, "StartFragment"); + sprintf(ptr+14, "%08u", strstr(buf, "