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wxPrivateDataObject works under MSW as well (hopefully it still does under

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GTK too)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2578 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-05-26 22:39:42 +00:00
parent 238d735dc2
commit 3f480da37c
14 changed files with 683 additions and 632 deletions
Download Patch File Download Diff File Expand all files Collapse all files

117
src/msw/clipbrd.cpp
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@@ -50,6 +50,7 @@
#include "wx/log.h"
#include "wx/clipbrd.h"
#include <string.h>
#include <windows.h>
#include "wx/msw/private.h"
@@ -59,9 +60,13 @@
// therefore so is wxClipboard :-(
#if wxUSE_DRAG_AND_DROP
#include "wx/dataobj.h"
static bool wxSetClipboardData(wxDataObject *data);
#endif
#include <string.h>
#ifdef __WIN16__
#define memcpy hmemcpy
#endif
// ===========================================================================
// implementation
@@ -133,6 +138,38 @@ 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 )
{
wxLogSysError(_("Failed to allocate %dKb of memory for clipboard "
"transfer."), size / 1024);
return FALSE;
}
LPVOID lpGlobalMemory = ::GlobalLock(hGlobal);
data->GetDataHere(lpGlobalMemory);
GlobalUnlock(hGlobal);
wxDataFormat format = data->GetPreferredFormat();
if ( !::SetClipboardData(format, hGlobal) )
{
wxLogSysError(_("Failed to set clipboard data in format %s"),
wxDataObject::GetFormatName(format));
return FALSE;
}
return TRUE;
}
#endif // wxUSE_DRAG_AND_DROP
bool wxSetClipboardData(wxDataFormat dataFormat,
const void *data,
int width, int height)
@@ -194,11 +231,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
{
wxMetafile *wxMF = (wxMetafile *)data;
HANDLE data = GlobalAlloc(GHND, sizeof(METAFILEPICT) + 1);
#ifdef __WINDOWS_386__
METAFILEPICT *mf = (METAFILEPICT *)MK_FP32(GlobalLock(data));
#else
METAFILEPICT *mf = (METAFILEPICT *)GlobalLock(data);
#endif
mf->mm = wxMF->GetWindowsMappingMode();
mf->xExt = width;
@@ -235,19 +268,9 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
HANDLE hGlobalMemory = GlobalAlloc(GHND, l);
if ( hGlobalMemory )
{
#ifdef __WINDOWS_386__
LPSTR lpGlobalMemory = (LPSTR)MK_FP32(GlobalLock(hGlobalMemory));
#else
LPSTR lpGlobalMemory = (LPSTR)GlobalLock(hGlobalMemory);
#endif
#ifdef __WIN32__
memcpy(lpGlobalMemory, s, l);
#elif defined(__WATCOMC__) && defined(__WINDOWS_386__)
memcpy(lpGlobalMemory, s, l);
#else
hmemcpy(lpGlobalMemory, s, l);
#endif
GlobalUnlock(hGlobalMemory);
}
@@ -325,7 +348,6 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
case CF_TIFF:
case CF_PALETTE:
case wxDF_DIB:
default:
{
wxLogError(_("Unsupported clipboard format."));
return FALSE;
@@ -349,25 +371,39 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
if (!s)
break;
#ifdef __WINDOWS_386__
LPSTR lpGlobalMemory = (LPSTR)MK_FP32(GlobalLock(hGlobalMemory));
#else
LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
#endif
#ifdef __WIN32__
memcpy(s, lpGlobalMemory, hsize);
#elif __WATCOMC__ && defined(__WINDOWS_386__)
memcpy(s, lpGlobalMemory, hsize);
#else
hmemcpy(s, lpGlobalMemory, hsize);
#endif
::GlobalUnlock(hGlobalMemory);
retval = s;
break;
}
default:
{
HANDLE hGlobalMemory = ::GetClipboardData(dataFormat);
if ( !hGlobalMemory )
break;
DWORD size = ::GlobalSize(hGlobalMemory);
if ( len )
*len = size;
void *buf = malloc(size);
if ( !buf )
break;
LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
memcpy(buf, lpGlobalMemory, size);
::GlobalUnlock(hGlobalMemory);
retval = buf;
break;
}
}
if ( !retval )
@@ -378,9 +414,9 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
return retval;
}
wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
{
return (wxDataFormat)::EnumClipboardFormats(dataFormat);
return ::EnumClipboardFormats(dataFormat);
}
int wxRegisterClipboardFormat(char *formatName)
@@ -471,16 +507,11 @@ bool wxClipboard::AddData( wxDataObject *data )
#endif // wxUSE_METAFILE
default:
wxLogError(_("Can not put data in format '%s' on clipboard."),
wxDataObject::GetFormatName(format));
return FALSE;
return wxSetClipboardData(data);
}
#else // !wxUSE_DRAG_AND_DROP
return FALSE;
#else
return FALSE;
#endif
#endif // wxUSE_DRAG_AND_DROP/!wxUSE_DRAG_AND_DROP
}
void wxClipboard::Close()
@@ -546,8 +577,18 @@ bool wxClipboard::GetData( wxDataObject *data )
}
#endif
default:
wxLogError(_("Can not get data in format '%s' from clipboard."),
wxDataObject::GetFormatName(format));
{
long len;
void *buf = wxGetClipboardData(format, &len);
if ( buf )
{
// FIXME this is for testing only!!
((wxPrivateDataObject *)data)->SetData(buf, len);
free(buf);
return TRUE;
}
}
return FALSE;
}