/////////////////////////////////////////////////////////////////////////////
-// Name: clipbrd.cpp
+// Name: src/mac/carbon/clipbrd.cpp
// Purpose: Clipboard functionality
-// Author: AUTHOR
+// Author: Stefan Csomor;
+// Generalized clipboard implementation by Matthew Flatt
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#pragma implementation "clipbrd.h"
+#include "wx/wxprec.h"
+
+#if wxUSE_CLIPBOARD
+
+#include "wx/clipbrd.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/frame.h"
+ #include "wx/bitmap.h"
#endif
-#include "wx/app.h"
-#include "wx/frame.h"
-#include "wx/bitmap.h"
-#include "wx/utils.h"
#include "wx/metafile.h"
-#include "wx/clipbrd.h"
-#include "wx/intl.h"
+
+#include "wx/mac/uma.h"
#define wxUSE_DATAOBJ 1
#include <string.h>
-// open/close
-bool clipboard_opened = false ;
+// the trace mask we use with wxLogTrace() - call
+// wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here
+// (there will be a *lot* of them!)
+static const wxChar *TRACE_CLIPBOARD = wxT("clipboard");
-bool wxOpenClipboard()
-{
- clipboard_opened = true ;
- return TRUE;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-bool wxCloseClipboard()
-{
- clipboard_opened = false ;
- return TRUE;
-}
-
-bool wxIsClipboardOpened()
-{
- return clipboard_opened;
-}
+// in order to keep the binary interface the same this class
+// serves just to have a few additional member variables inside
+// the clipboard class
-bool wxEmptyClipboard()
+class wxMacBinaryCompatHelper : public wxDataObject
{
-
-#if TARGET_CARBON
- OSStatus err ;
- err = ClearCurrentScrap( );
-#else
- OSErr err ;
- err = ZeroScrap( );
-#endif
- if ( err )
- {
- wxLogSysError(_("Failed to empty the clipboard."));
- return FALSE ;
- }
- return TRUE;
-}
-
-// get/set data
-
-// clipboard formats
-
-bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
-{
-#if TARGET_CARBON
- OSStatus err = noErr;
- ScrapRef scrapRef;
-
- err = GetCurrentScrap( &scrapRef );
- if ( err != noTypeErr && err != memFullErr )
- {
- ScrapFlavorFlags flavorFlags;
- Size byteCount;
-
- if (( err = GetScrapFlavorFlags( scrapRef, dataFormat.GetFormatId(), &flavorFlags )) == noErr)
- {
- if (( err = GetScrapFlavorSize( scrapRef, dataFormat.GetFormatId(), &byteCount )) == noErr)
- {
- return TRUE ;
- }
- }
- }
- return FALSE;
-
-#else
- long offset ;
- if ( GetScrap( NULL , dataFormat.GetFormatId() , &offset ) > 0 )
- {
- return TRUE ;
- }
- return FALSE;
-#endif
-}
-
-bool wxSetClipboardData(wxDataFormat dataFormat,const void *data,int width , int height)
-{
-#if !TARGET_CARBON
- OSErr err = noErr ;
-#else
- OSStatus err = noErr ;
-#endif
-
- switch (dataFormat.GetType())
+public :
+ wxMacBinaryCompatHelper()
{
- case wxDF_BITMAP:
- {
- /*
- wxBitmap *bitmap = (wxBitmap *)data;
-
- HDC hdcMem = CreateCompatibleDC((HDC) NULL);
- HDC hdcSrc = CreateCompatibleDC((HDC) NULL);
- HBITMAP old = (HBITMAP)
- ::SelectObject(hdcSrc, (HBITMAP)bitmap->GetHBITMAP());
- HBITMAP hBitmap = CreateCompatibleBitmap(hdcSrc,
- bitmap->GetWidth(),
- bitmap->GetHeight());
- if (!hBitmap)
- {
- SelectObject(hdcSrc, old);
- DeleteDC(hdcMem);
- DeleteDC(hdcSrc);
- return FALSE;
- }
-
- HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap);
- BitBlt(hdcMem, 0, 0, bitmap->GetWidth(), bitmap->GetHeight(),
- hdcSrc, 0, 0, SRCCOPY);
-
- // Select new bitmap out of memory DC
- SelectObject(hdcMem, old1);
-
- // Set the data
- handle = ::SetClipboardData(CF_BITMAP, hBitmap);
-
- // Clean up
- SelectObject(hdcSrc, old);
- DeleteDC(hdcSrc);
- DeleteDC(hdcMem);
- */
- break;
- }
-
- 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
-*/
- break;
- }
-
-#if wxUSE_METAFILE
- case wxDF_METAFILE:
- {
- wxMetafile *wxMF = (wxMetafile *)data;
- PicHandle pict = wxMF->GetHMETAFILE() ;
- HLock( (Handle) pict ) ;
-#if !TARGET_CARBON
- err = PutScrap( GetHandleSize( (Handle) pict ) , 'PICT' , *pict ) ;
-#else
- ScrapRef scrap;
- err = GetCurrentScrap (&scrap);
- if ( !err )
- {
- err = PutScrapFlavor (scrap, 'PICT', 0, GetHandleSize((Handle) pict), *pict);
- }
-#endif
- HUnlock( (Handle) pict ) ;
- break;
- }
-#endif
- case wxDF_SYLK:
- case wxDF_DIF:
- case wxDF_TIFF:
- case wxDF_PALETTE:
- default:
- {
- wxLogError(_("Unsupported clipboard format."));
- return FALSE;
- }
-
- case wxDF_OEMTEXT:
- dataFormat = wxDF_TEXT;
- // fall through
-
- case wxDF_TEXT:
- {
- wxString mac ;
- if ( wxApp::s_macDefaultEncodingIsPC )
- {
- mac = wxMacMakeMacStringFromPC((char *)data) ;
- }
- else
- {
- mac = (char *)data ;
- }
-#if !TARGET_CARBON
- err = PutScrap( mac.Length() , 'TEXT' , mac.c_str() ) ;
-#else
- ScrapRef scrap;
- err = GetCurrentScrap (&scrap);
- if ( !err )
- {
- err = PutScrapFlavor (scrap, 'TEXT', 0, mac.Length(), mac.c_str());
- }
-#endif
- break;
- }
+ m_trueData = NULL;
}
- if ( err )
+ ~wxMacBinaryCompatHelper()
{
- wxLogSysError(_("Failed to set clipboard data."));
-
- return FALSE;
+ if (m_trueData != NULL)
+ {
+ delete m_trueData;
+ m_trueData = NULL;
+ }
}
- return TRUE;
-}
+ virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const
+ {
+ return wxDataFormat();
+ }
-wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
-{
- return wxDataFormat();
-}
+ virtual size_t GetFormatCount(Direction dir = Get) const
+ {
+ return 0;
+ }
-int wxRegisterClipboardFormat(wxChar *formatName)
-{
- return 0;
-}
+ virtual void GetAllFormats(wxDataFormat *formats,
+ Direction dir = Get) const
+ {
+ }
-bool wxGetClipboardFormatName(wxDataFormat dataFormat, wxChar *formatName, int maxCount)
-{
- return FALSE;
-}
+ virtual size_t GetDataSize(const wxDataFormat& format) const
+ {
+ return 0;
+ }
-void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
-{
- return NULL;
-}
+ virtual bool GetDataHere(const wxDataFormat& format, void *buf) const
+ {
+ return false;
+ }
+ // only relevant from here on
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
+ wxDataObject* m_trueData;
+ wxCFRef<PasteboardRef> m_pasteboard;
+};
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxClipboardBase)
+#define M_CLIPBOARD ((wxMacBinaryCompatHelper*)m_data)
wxClipboard::wxClipboard()
{
- m_clearOnExit = FALSE;
+ m_open = false;
+ m_data = new wxMacBinaryCompatHelper() ;
+ PasteboardRef clipboard = 0;
+ OSStatus err = PasteboardCreate( kPasteboardClipboard, &clipboard );
+ if (err != noErr)
+ {
+ wxLogSysError( wxT("Failed to create the clipboard.") );
+ }
+ M_CLIPBOARD->m_pasteboard.reset(clipboard);
}
wxClipboard::~wxClipboard()
{
- if ( m_clearOnExit )
- {
- Clear();
- }
+ M_CLIPBOARD->m_pasteboard.reset((PasteboardRef)0);
+ delete m_data;
}
void wxClipboard::Clear()
{
+ if (M_CLIPBOARD->m_trueData != NULL)
+ {
+ delete M_CLIPBOARD->m_trueData;
+ M_CLIPBOARD->m_trueData = NULL;
+ }
+
+ OSStatus err = PasteboardClear( M_CLIPBOARD->m_pasteboard );
+ if (err != noErr)
+ {
+ wxLogSysError( wxT("Failed to empty the clipboard.") );
+ }
}
bool wxClipboard::Flush()
{
- return FALSE;
+ return false;
}
bool wxClipboard::Open()
{
- return wxOpenClipboard();
+ wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
+
+ m_open = true;
+
+ return true;
}
bool wxClipboard::IsOpened() const
{
- return wxIsClipboardOpened();
+ return m_open;
}
-static int FormatStringToID(char *str)
+bool wxClipboard::SetData( wxDataObject *data )
{
- if (!strcmp(str, "TEXT"))
- return wxDF_TEXT;
+ if ( IsUsingPrimarySelection() )
+ return false;
- return wxRegisterClipboardFormat(str);
-}
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
-bool wxClipboard::SetData( wxDataObject *data )
-{
- (void)wxEmptyClipboard();
+ Clear();
- if ( data )
- return AddData(data);
- else
- return TRUE;
+ // as we can only store one wxDataObject,
+ // this is the same in this implementation
+ return AddData( data );
}
bool wxClipboard::AddData( wxDataObject *data )
{
- wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+ if ( IsUsingPrimarySelection() )
+ return false;
-#if wxUSE_DATAOBJ
- wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
- wxDataFormat format = data->GetPreferredFormat();
+ // we can only store one wxDataObject
+ Clear();
- switch ( format.GetType() )
- {
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- {
- wxTextDataObject* textDataObject = (wxTextDataObject*) data;
- wxString str(textDataObject->GetText());
- return wxSetClipboardData(format, str.c_str());
- }
+ PasteboardSyncFlags syncFlags = PasteboardSynchronize( M_CLIPBOARD->m_pasteboard );
+ wxCHECK_MSG( !(syncFlags&kPasteboardModified), false, wxT("clipboard modified after clear") );
+ wxCHECK_MSG( (syncFlags&kPasteboardClientIsOwner), false, wxT("client couldn't own clipboard") );
- case wxDF_BITMAP:
- case wxDF_DIB:
- {
- wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
- wxBitmap bitmap(bitmapDataObject->GetBitmap());
- return wxSetClipboardData(format, &bitmap);
- }
+ M_CLIPBOARD->m_trueData = data;
-#if 0 // wxUSE_METAFILE
- case wxDF_METAFILE:
- {
- wxMetafileDataObject* metaFileDataObject =
- (wxMetafileDataObject*) data;
- wxMetafile metaFile = metaFileDataObject->GetMetafile();
- return wxSetClipboardData(wxDF_METAFILE, &metaFile,
- metaFileDataObject->GetWidth(),
- metaFileDataObject->GetHeight());
- }
-#endif // wxUSE_METAFILE
+ data->AddToPasteboard( M_CLIPBOARD->m_pasteboard, 1 );
- default:
- // return wxSetClipboardData(data);
- break ;
- }
-#else // !wxUSE_DATAOBJ
-#endif
- return FALSE;
+ return true;
}
void wxClipboard::Close()
{
- wxCloseClipboard();
+ wxCHECK_RET( m_open, wxT("clipboard not open") );
+
+ m_open = false;
+
+ // Get rid of cached object.
+ // If this is not done, copying data from
+ // another application will only work once
+ if (M_CLIPBOARD->m_trueData)
+ {
+ delete M_CLIPBOARD->m_trueData;
+ M_CLIPBOARD->m_trueData = (wxDataObject*) NULL;
+ }
}
-bool wxClipboard::IsSupported( const wxDataFormat &format )
+bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
{
- return wxIsClipboardFormatAvailable(format);
+ if ( M_CLIPBOARD->m_trueData )
+ return M_CLIPBOARD->m_trueData->IsSupported( dataFormat );
+ return wxDataObject::IsFormatInPasteboard( M_CLIPBOARD->m_pasteboard, dataFormat );
}
bool wxClipboard::GetData( wxDataObject& data )
{
-#if wxUSE_DATAOBJ
- wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
-
- wxDataFormat format = data.GetPreferredFormat();
- switch ( format )
- {
- case wxDF_TEXT:
- case wxDF_OEMTEXT:
- {
- wxTextDataObject& textDataObject = (wxTextDataObject &)data;
- char* s = (char*)wxGetClipboardData(format);
- if ( !s )
- return FALSE;
-
- textDataObject.SetText(s);
- delete [] s;
+ if ( IsUsingPrimarySelection() )
+ return false;
- return TRUE;
- }
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
- case wxDF_BITMAP:
- case wxDF_DIB:
- {
- wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
- wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(format );
- if ( !bitmap )
- return FALSE;
+ size_t formatcount = data.GetFormatCount() + 1;
+ wxDataFormat *array = new wxDataFormat[ formatcount ];
+ array[0] = data.GetPreferredFormat();
+ data.GetAllFormats( &array[1] );
- bitmapDataObject.SetBitmap(*bitmap);
- delete bitmap;
+ bool transferred = false;
- return TRUE;
- }
-#if 0 // wxUSE_METAFILE
- case wxDF_METAFILE:
+ if ( M_CLIPBOARD->m_trueData )
+ {
+ for (size_t i = 0; !transferred && i < formatcount; i++)
{
- wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
- wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
- if ( !metaFile )
- return FALSE;
-
- metaFileDataObject.SetMetafile(*metaFile);
- delete metaFile;
+ wxDataFormat format = array[ i ];
+ if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )
+ {
+ int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
+ transferred = true;
- return TRUE;
+ if (dataSize == 0)
+ {
+ data.SetData( format, 0, 0 );
+ }
+ else
+ {
+ char *d = new char[ dataSize ];
+ M_CLIPBOARD->m_trueData->GetDataHere( format, (void*)d );
+ data.SetData( format, dataSize, d );
+ delete [] d;
+ }
+ }
}
-#endif // wxUSE_METAFILE
- }
-#else // !wxUSE_DATAOBJ
- wxFAIL_MSG( wxT("no clipboard implementation") );
-#endif
- return FALSE;
-}
-/*
-void wxClipboard::SetClipboardClient(wxClipboardClient *client, long time)
-{
- bool got_selection;
-
- if (clipOwner)
- clipOwner->BeingReplaced();
- clipOwner = client;
- if (cbString) {
- delete[] cbString;
- cbString = NULL;
- }
-
- if (wxOpenClipboard()) {
- char **formats, *data;
- int i;
- int ftype;
- long size;
-
- formats = clipOwner->formats.ListToArray(FALSE);
- for (i = clipOwner->formats.Number(); i--; ) {
- ftype = FormatStringToID(formats[i]);
- data = clipOwner->GetData(formats[i], &size);
- if (!wxSetClipboardData(ftype, (wxObject *)data, size, 1)) {
- got_selection = FALSE;
- break;
- }
}
- if (i < 0)
- got_selection = wxCloseClipboard();
- } else
- got_selection = FALSE;
-
- got_selection = FALSE; // Assume another process takes over
-
- if (!got_selection) {
- clipOwner->BeingReplaced();
- clipOwner = NULL;
- }
-}
-
-wxClipboardClient *wxClipboard::GetClipboardClient()
-{
- return clipOwner;
-}
-
-void wxClipboard::SetClipboardString(char *str, long time)
-{
- bool got_selection;
-
- if (clipOwner) {
- clipOwner->BeingReplaced();
- clipOwner = NULL;
- }
- if (cbString)
- delete[] cbString;
-
- cbString = str;
-
- if (wxOpenClipboard()) {
- if (!wxSetClipboardData(wxDF_TEXT, (wxObject *)str))
- got_selection = FALSE;
- else
- got_selection = wxCloseClipboard();
- } else
- got_selection = FALSE;
-
- got_selection = FALSE; // Assume another process takes over
-
- if (!got_selection) {
- delete[] cbString;
- cbString = NULL;
- }
-}
-char *wxClipboard::GetClipboardString(long time)
-{
- char *str;
- long length;
-
- str = GetClipboardData("TEXT", &length, time);
- if (!str) {
- str = new char[1];
- *str = 0;
- }
-
- return str;
-}
+ // get formats from wxDataObjects
+ if ( !transferred )
+ {
+ transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;
+ }
+ delete [] array;
-char *wxClipboard::GetClipboardData(char *format, long *length, long time)
-{
- if (clipOwner) {
- if (clipOwner->formats.Member(format))
- return clipOwner->GetData(format, length);
- else
- return NULL;
- } else if (cbString) {
- if (!strcmp(format, "TEXT"))
- return copystring(cbString);
- else
- return NULL;
- } else {
- if (wxOpenClipboard()) {
- receivedString = (char *)wxGetClipboardData(FormatStringToID(format),
- length);
- wxCloseClipboard();
- } else
- receivedString = NULL;
-
- return receivedString;
- }
+ return transferred;
}
-*/
+#endif
projects / wxWidgets.git / blobdiff