/////////////////////////////////////////////////////////////////////////////
-// Name: clipbrd.cpp
+// Name: src/msw/clipbrd.cpp
// Purpose: Clipboard functionality
// Author: Julian Smart
// Modified by:
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "clipbrd.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_CLIPBOARD
+#include "wx/clipbrd.h"
+
#ifndef WX_PRECOMP
#include "wx/object.h"
#include "wx/event.h"
#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 <string.h>
// the functions using wxDataObject in wxClipboard
//#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
// ---------------------------------------------------------------------------
static bool gs_wxClipboardIsOpen = false;
+static int gs_htmlcfid = 0;
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;
}
bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
{
- wxDataFormat::NativeFormat cf = dataFormat.GetFormatId();
+ wxDataFormat::NativeFormat cf = dataFormat.GetFormatId();
+ if (cf == wxDF_HTML)
+ cf = gs_htmlcfid;
if ( ::IsClipboardFormatAvailable(cf) )
{
{
wxBitmap *bitmap = (wxBitmap *)data;
- if ( bitmap && bitmap->Ok() )
+ if ( bitmap && bitmap->IsOk() )
{
wxDIB dib(*bitmap);
if ( dib.IsOk() )
handle = SetClipboardData(dataFormat, hGlobalMemory);
break;
}
- // Only tested with non-Unicode, Visual C++ 6.0 so far
-#if defined(__VISUALC__) && !defined(UNICODE)
+ // Only tested with Visual C++ 6.0 so far
+#if defined(__VISUALC__)
case wxDF_HTML:
{
char* html = (char *)data;
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"
// 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);
+ sprintf(ptr+10, "%08u", (unsigned)(strstr(buf, "<html>") - buf));
*(ptr+10+8) = '\r';
ptr = strstr(buf, "EndHTML");
- wsprintf(ptr+8, "%08u", strlen(buf));
+ sprintf(ptr+8, "%08u", (unsigned)strlen(buf));
*(ptr+8+8) = '\r';
ptr = strstr(buf, "StartFragment");
- wsprintf(ptr+14, "%08u", strstr(buf, "<!--StartFrag") - buf);
+ sprintf(ptr+14, "%08u", (unsigned)(strstr(buf, "<!--StartFrag") - buf));
*(ptr+14+8) = '\r';
ptr = strstr(buf, "EndFragment");
- wsprintf(ptr+12, "%08u", strstr(buf, "<!--EndFrag") - buf);
+ sprintf(ptr+12, "%08u", (unsigned)(strstr(buf, "<!--EndFrag") - buf));
*(ptr+12+8) = '\r';
// Now you have everything in place ready to put on the
strcpy(ptr, buf);
GlobalUnlock(hText);
- handle = ::SetClipboardData(cfid, hText);
+ handle = ::SetClipboardData(gs_htmlcfid, hText);
// Free memory...
GlobalFree(hText);
wxOleInitialize();
#endif
- m_clearOnExit = false;
+ m_lastDataObject = NULL;
m_isOpened = false;
}
wxClipboard::~wxClipboard()
{
- if ( m_clearOnExit )
+ if ( m_lastDataObject )
{
Clear();
}
void wxClipboard::Clear()
{
+ if ( IsUsingPrimarySelection() )
+ return;
+
#if wxUSE_OLE_CLIPBOARD
- HRESULT hr = OleSetClipboard(NULL);
- if ( FAILED(hr) )
+ if (m_lastDataObject)
{
- wxLogApiError(wxT("OleSetClipboard(NULL)"), hr);
+ // don't touch data set by other applications
+ HRESULT hr = OleIsCurrentClipboard(m_lastDataObject);
+ if (S_OK == hr)
+ {
+ hr = OleSetClipboard(NULL);
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(wxT("OleSetClipboard(NULL)"), hr);
+ }
+ }
+ m_lastDataObject = NULL;
}
#endif // wxUSE_OLE_CLIPBOARD
}
bool wxClipboard::Flush()
{
#if wxUSE_OLE_CLIPBOARD
- HRESULT hr = OleFlushClipboard();
- if ( FAILED(hr) )
- {
- wxLogApiError(wxT("OleFlushClipboard"), hr);
-
- return false;
- }
- else
+ if (m_lastDataObject)
{
- m_clearOnExit = false;
+ // don't touch data set by other applications
+ HRESULT hr = OleIsCurrentClipboard(m_lastDataObject);
+ m_lastDataObject = NULL;
+ if (S_OK == hr)
+ {
+ hr = OleFlushClipboard();
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(wxT("OleFlushClipboard"), hr);
- return true;
+ return false;
+ }
+ return true;
+ }
}
+ return false;
#else // !wxUSE_OLE_CLIPBOARD
return false;
#endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD
bool wxClipboard::Open()
{
+ // Get clipboard id for HTML format...
+ if(!gs_htmlcfid)
+ gs_htmlcfid = RegisterClipboardFormat(wxT("HTML Format"));
+
// OLE opens clipboard for us
m_isOpened = true;
#if wxUSE_OLE_CLIPBOARD
bool wxClipboard::SetData( wxDataObject *data )
{
+ if ( IsUsingPrimarySelection() )
+ return false;
+
#if !wxUSE_OLE_CLIPBOARD
(void)wxEmptyClipboard();
#endif // wxUSE_OLE_CLIPBOARD
bool wxClipboard::AddData( wxDataObject *data )
{
+ if ( IsUsingPrimarySelection() )
+ return false;
+
wxCHECK_MSG( data, false, wxT("data is invalid") );
#if wxUSE_OLE_CLIPBOARD
return false;
}
+ // we have to call either OleSetClipboard(NULL) or OleFlushClipboard() when
+ // 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 change this
+ m_lastDataObject = data->GetInterface();
+
// we have a problem here because we should delete wxDataObject, but we
// can't do it because IDataObject which we just gave to the clipboard
// would try to use it when it will need the data. IDataObject is ref
// and tell it to delete wxDataObject when it is deleted itself.
data->SetAutoDelete();
- // we have to call either OleSetClipboard(NULL) or OleFlushClipboard() when
- // 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;
-
return true;
#elif wxUSE_DATAOBJ
wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );
bool wxClipboard::IsSupported( const wxDataFormat& format )
{
- return wxIsClipboardFormatAvailable(format);
+ return !IsUsingPrimarySelection() && wxIsClipboardFormatAvailable(format);
}
bool wxClipboard::GetData( wxDataObject& data )
{
+ if ( IsUsingPrimarySelection() )
+ return false;
+
#if wxUSE_OLE_CLIPBOARD
IDataObject *pDataObject = NULL;
HRESULT hr = OleGetClipboard(&pDataObject);
// enumerate all explicit formats on the clipboard.
// note that this does not include implicit / synthetic (automatically
// converted) formats.
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL >= 2
// get the format enumerator
IEnumFORMATETC *pEnumFormatEtc = NULL;
hr = pDataObject->EnumFormatEtc(DATADIR_GET, &pEnumFormatEtc);
pEnumFormatEtc->Release();
}
-#endif // Debug
+#endif // wxDEBUG_LEVEL >= 2
STGMEDIUM medium;
// stop at the first valid format found on the clipboard
// convert to NativeFormat Id
cf = formats[n].GetFormatId();
+ if (cf == wxDF_HTML)
+ cf = gs_htmlcfid;
// if the format is not available, try the next one
// this test includes implicit / sythetic formats
if ( !::IsClipboardFormatAvailable(cf) )
}
#endif // wxUSE_CLIPBOARD
-
projects / wxWidgets.git / blobdiff