/////////////////////////////////////////////////////////////////////////////
-// 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/mac/uma.h"
+
+#define wxUSE_DATAOBJ 1
#include <string.h>
-#if !USE_SHARED_LIBRARY
+
+// 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");
+
IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxClipboardClient, wxObject)
-#endif
-bool wxOpenClipboard()
-{
- return TRUE;
-}
+// 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 wxCloseClipboard()
+class wxMacBinaryCompatHelper : public wxDataObject
{
- return FALSE;
-}
+public :
+ wxMacBinaryCompatHelper()
+ {
+ m_trueData = NULL;
+ }
-bool wxEmptyClipboard()
-{
- ZeroScrap() ;
- return FALSE;
-}
+ ~wxMacBinaryCompatHelper()
+ {
+ if (m_trueData != NULL)
+ {
+ delete m_trueData;
+ m_trueData = NULL;
+ }
+ }
+
+ virtual wxDataFormat GetPreferredFormat(Direction dir = Get) const
+ {
+ return wxDataFormat();
+ }
+
+ virtual size_t GetFormatCount(Direction dir = Get) const
+ {
+ return 0;
+ }
+
+ virtual void GetAllFormats(wxDataFormat *formats,
+ Direction dir = Get) const
+ {
+ }
+
+ virtual size_t GetDataSize(const wxDataFormat& format) const
+ {
+ return 0;
+ }
+
+ virtual bool GetDataHere(const wxDataFormat& format, void *buf) const
+ {
+ return false;
+ }
+
+ // only relevant from here on
+
+ wxDataObject* m_trueData;
+ wxCFRef<PasteboardRef> m_pasteboard;
+};
+
+#define M_CLIPBOARD ((wxMacBinaryCompatHelper*)m_data)
-bool wxClipboardOpen()
+wxClipboard::wxClipboard()
{
- // TODO
- return 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);
}
-bool wxIsClipboardFormatAvailable(int dataFormat)
+wxClipboard::~wxClipboard()
{
- // TODO
- return FALSE;
+ M_CLIPBOARD->m_pasteboard.reset((PasteboardRef)0);
+ delete m_data;
}
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
+void wxClipboard::Clear()
{
- // TODO
- return FALSE;
+ 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.") );
+ }
}
-wxObject *wxGetClipboardData(int dataFormat, long *len)
+bool wxClipboard::Flush()
{
- // TODO
- return NULL;
+ return false;
}
-int wxEnumClipboardFormats(int dataFormat)
+bool wxClipboard::Open()
{
- // TODO
- return 0;
+ wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
+
+ m_open = true;
+
+ return true;
}
-int wxRegisterClipboardFormat(char *formatName)
+bool wxClipboard::IsOpened() const
{
- // TODO
- return 0;
+ return m_open;
}
-bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
+bool wxClipboard::SetData( wxDataObject *data )
{
- // TODO
- return FALSE;
-}
+ if ( IsUsingPrimarySelection() )
+ return false;
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
-wxClipboard *wxTheClipboard = NULL;
+ Clear();
-void wxInitClipboard()
-{
- if (!wxTheClipboard)
- wxTheClipboard = new wxClipboard;
+ // as we can only store one wxDataObject,
+ // this is the same in this implementation
+ return AddData( data );
}
-wxClipboard::wxClipboard()
+bool wxClipboard::AddData( wxDataObject *data )
{
- clipOwner = NULL;
- cbString = NULL;
-}
+ if ( IsUsingPrimarySelection() )
+ return false;
-wxClipboard::~wxClipboard()
-{
- if (clipOwner)
- clipOwner->BeingReplaced();
- if (cbString)
- delete[] cbString;
-}
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
-static int FormatStringToID(char *str)
-{
- if (!strcmp(str, "TEXT"))
- return wxDF_TEXT;
+ // we can only store one wxDataObject
+ Clear();
- return wxRegisterClipboardFormat(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") );
-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;
- }
- }
+ M_CLIPBOARD->m_trueData = data;
- 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;
- }
+ data->AddToPasteboard( M_CLIPBOARD->m_pasteboard, 1 );
+
+ return true;
}
-wxClipboardClient *wxClipboard::GetClipboardClient()
+void wxClipboard::Close()
{
- return clipOwner;
+ 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;
+ }
}
-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;
- }
- */
+bool wxClipboard::IsSupported( const wxDataFormat &dataFormat )
+{
+ if ( M_CLIPBOARD->m_trueData )
+ return M_CLIPBOARD->m_trueData->IsSupported( dataFormat );
+ return wxDataObject::IsFormatInPasteboard( M_CLIPBOARD->m_pasteboard, dataFormat );
}
-char *wxClipboard::GetClipboardString(long time)
+bool wxClipboard::GetData( wxDataObject& data )
{
- char *str;
- long length;
+ if ( IsUsingPrimarySelection() )
+ return false;
+
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
+
+ size_t formatcount = data.GetFormatCount() + 1;
+ wxDataFormat *array = new wxDataFormat[ formatcount ];
+ array[0] = data.GetPreferredFormat();
+ data.GetAllFormats( &array[1] );
+
+ bool transferred = false;
+
+ if ( M_CLIPBOARD->m_trueData )
+ {
+ for (size_t i = 0; !transferred && i < formatcount; i++)
+ {
+ wxDataFormat format = array[ i ];
+ if ( M_CLIPBOARD->m_trueData->IsSupported( format ) )
+ {
+ int dataSize = M_CLIPBOARD->m_trueData->GetDataSize( format );
+ transferred = 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;
+ }
+ }
+ }
+ }
- str = GetClipboardData("TEXT", &length, time);
- if (!str) {
- str = new char[1];
- *str = 0;
- }
+ // get formats from wxDataObjects
+ if ( !transferred )
+ {
+ transferred = data.GetFromPasteboard( M_CLIPBOARD->m_pasteboard ) ;
+ }
- return str;
-}
+ 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