// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/setup.h"
-#endif
-
#if wxUSE_CLIPBOARD
#ifndef WX_PRECOMP
#include <string.h>
#include "wx/msw/private.h"
+#include "wx/msw/ole/oleutils.h"
#if wxUSE_WXDIB
-#include "wx/msw/dib.h"
+ #include "wx/msw/dib.h"
#endif
// wxDataObject is tied to OLE/drag and drop implementation, therefore so are
// 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 )
{
wxLogDebug(wxT("Can not 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()
{
wxLogSysError(_("Failed to empty the clipboard."));
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
bool wxIsClipboardOpened()
if ( ::IsClipboardFormatAvailable(cf) )
{
// ok from the first try
- return TRUE;
+ return true;
}
// for several standard formats, we can convert from some other ones too
#endif // wxUSE_ENH_METAFILE
default:
- return FALSE;
+ return false;
}
}
SelectObject(hdcSrc, old);
DeleteDC(hdcMem);
DeleteDC(hdcSrc);
- return FALSE;
+ return false;
}
HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap);
default:
{
wxLogError(_("Unsupported clipboard format."));
- return FALSE;
+ return false;
}
case wxDF_OEMTEXT:
case wxDF_HTML:
{
char* html = (char *)data;
-
+
// Create temporary buffer for HTML header...
char *buf = new char [400 + strlen(html)];
- if(!buf) return FALSE;
-
+ 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"
"EndFragment:00000000\r\n"
"<html><body>\r\n"
"<!--StartFragment -->\r\n");
-
+
// Append the HTML...
strcat(buf, html);
strcat(buf, "\r\n");
"<!--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
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;
{
wxLogSysError(_("Failed to set clipboard data."));
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
wxClipboard::wxClipboard()
{
- m_clearOnExit = FALSE;
- m_isOpened = FALSE;
+#if wxUSE_OLE_CLIPBOARD
+ wxOleInitialize();
+#endif
+
+ m_clearOnExit = false;
+ m_isOpened = false;
}
wxClipboard::~wxClipboard()
{
Clear();
}
+
+#if wxUSE_OLE_CLIPBOARD
+ wxOleUninitialize();
+#endif
}
void wxClipboard::Clear()
{
#if wxUSE_OLE_CLIPBOARD
- if ( FAILED(OleSetClipboard(NULL)) )
+ HRESULT hr = OleSetClipboard(NULL);
+ if ( FAILED(hr) )
{
- wxLogLastError(wxT("OleSetClipboard(NULL)"));
+ wxLogApiError(wxT("OleSetClipboard(NULL)"), hr);
}
-#endif
+#endif // wxUSE_OLE_CLIPBOARD
}
bool wxClipboard::Flush()
{
#if wxUSE_OLE_CLIPBOARD
- if ( FAILED(OleFlushClipboard()) )
+ HRESULT hr = OleFlushClipboard();
+ if ( FAILED(hr) )
{
- wxLogLastError(wxT("OleFlushClipboard"));
+ wxLogApiError(wxT("OleFlushClipboard"), hr);
- return FALSE;
+ return false;
}
else
{
- m_clearOnExit = FALSE;
+ m_clearOnExit = false;
- return TRUE;
+ return true;
}
#else // !wxUSE_OLE_CLIPBOARD
- return FALSE;
+ return false;
#endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD
}
bool wxClipboard::Open()
{
// OLE opens clipboard for us
- m_isOpened = TRUE;
+ m_isOpened = true;
#if wxUSE_OLE_CLIPBOARD
- return TRUE;
+ return true;
#else
return wxOpenClipboard();
#endif
if ( data )
return AddData(data);
else
- return TRUE;
+ return true;
}
bool wxClipboard::AddData( wxDataObject *data )
{
- wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
#if wxUSE_OLE_CLIPBOARD
HRESULT hr = OleSetClipboard(data->GetInterface());
// don't free anything in this case
- return FALSE;
+ return false;
}
// we have a problem here because we should delete wxDataObject, but we
// using OLE clipboard when the app terminates - by default, we call
// OleSetClipboard(NULL) which won't waste RAM, but the app can call
// wxClipboard::Flush() to chaneg this
- m_clearOnExit = TRUE;
+ m_clearOnExit = true;
- return TRUE;
+ return true;
#elif wxUSE_DATAOBJ
- wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );
wxDataFormat format = data->GetPreferredFormat();
{
#if 1
// TODO
- wxLogError("Not implemented because wxMetafileDataObject does not contain width and height values.");
- return FALSE;
+ wxLogError(wxT("Not implemented because wxMetafileDataObject does not contain width and height values."));
+ return false;
#else
wxMetafileDataObject* metaFileDataObject =
(wxMetafileDataObject*) data;
// return wxSetClipboardData(data);
// TODO
wxLogError(wxT("Not implemented."));
- return FALSE;
+ return false;
}
}
#else // !wxUSE_DATAOBJ
- return FALSE;
+ return false;
#endif // wxUSE_DATAOBJ/!wxUSE_DATAOBJ
}
void wxClipboard::Close()
{
- m_isOpened = FALSE;
+ m_isOpened = false;
// OLE closes clipboard for us
#if !wxUSE_OLE_CLIPBOARD
wxCloseClipboard();
#endif
}
-bool wxClipboard::IsSupported( wxDataFormat format )
+bool wxClipboard::IsSupported( const wxDataFormat& format )
{
return wxIsClipboardFormatAvailable(format);
}
{
wxLogSysError(hr, _("Failed to get data from the clipboard"));
- return FALSE;
+ return false;
}
// build the list of supported formats
// get the data for the given formats
FORMATETC formatEtc;
CLIPFORMAT cf;
- bool result = FALSE;
+ bool result = false;
// enumerate all explicit formats on the clipboard.
// note that this does not include implicit / synthetic (automatically
{
// 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;
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"));
}
else
{
- result = TRUE;
+ result = true;
}
}
//else: unsupported tymed?
return result;
#elif wxUSE_DATAOBJ
- wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );
wxDataFormat format = data.GetPreferredFormat();
switch ( format )
wxTextDataObject& textDataObject = (wxTextDataObject &)data;
char* s = (char*)wxGetClipboardData(format);
if ( !s )
- return FALSE;
+ return false;
textDataObject.SetText(wxString::FromAscii(s));
delete [] s;
- return TRUE;
+ return true;
}
case wxDF_BITMAP:
wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data.GetPreferredFormat());
if ( !bitmap )
- return FALSE;
+ return false;
bitmapDataObject.SetBitmap(*bitmap);
delete bitmap;
- return TRUE;
+ return true;
}
#if wxUSE_METAFILE
case wxDF_METAFILE:
wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
if ( !metaFile )
- return FALSE;
+ return false;
metaFileDataObject.SetMetafile(*metaFile);
delete metaFile;
- return TRUE;
+ return true;
}
#endif // wxUSE_METAFILE
}
- return FALSE;
+ return false;
#else // !wxUSE_DATAOBJ
wxFAIL_MSG( wxT("no clipboard implementation") );
- return FALSE;
+ return false;
#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ
}
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