///////////////////////////////////////////////////////////////////////////////
-// Name: dnd.cpp
-// Purpose: wxDropTarget, wxDropSource, wxDataObject implementation
-// Author: AUTHOR
+// Name: src/mac/carbon/dnd.cpp
+// Purpose: wxDropTarget, wxDropSource implementations
+// Author: Stefan Csomor
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) 1998 AUTHOR
+// Copyright: (c) 1998 Stefan Csomor
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dnd.h"
-#endif
+#include "wx/wxprec.h"
+
+#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
-#include "wx/window.h"
-#include "wx/app.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/window.h"
+#endif // WX_PRECOMP
+
+#include "wx/toplevel.h"
#include "wx/gdicmn.h"
+#include "wx/mac/private.h"
-#if wxUSE_DRAG_AND_DROP
+#ifndef __DARWIN__
+ #include <Scrap.h>
+#endif
-// ----------------------------------------------------------------------------
-// global
-// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
-// wxDropTarget
+// globals
// ----------------------------------------------------------------------------
-wxDropTarget::wxDropTarget()
+typedef struct
{
-};
+ wxWindow *m_currentTargetWindow;
+ wxDropTarget *m_currentTarget;
+ wxDropSource *m_currentSource;
+}
+MacTrackingGlobals;
-wxDropTarget::~wxDropTarget()
-{
-};
+MacTrackingGlobals gTrackingGlobals;
-// ----------------------------------------------------------------------------
-// wxTextDropTarget
-// ----------------------------------------------------------------------------
-#ifndef __WXMAC_X__
-bool wxTextDropTarget::OnDrop( wxCoord x, wxCoord y, const void *pData )
-{
- OnDropText( x, y, (const char*)pData );
- return TRUE;
-};
-#endif
+void wxMacEnsureTrackingHandlersInstalled();
-bool wxTextDropTarget::OnDropText( wxCoord x, wxCoord y, const wxString &psz )
-{
- printf( "Got dropped text: %s.\n", (char *)psz );
- printf( "At x: %d, y: %d.\n", (int)x, (int)y );
- return TRUE;
-};
+//----------------------------------------------------------------------------
+// wxDropTarget
+//----------------------------------------------------------------------------
-#ifndef __WXMAC_X__
-size_t wxTextDropTarget::GetFormatCount() const
+wxDropTarget::wxDropTarget( wxDataObject *data )
+ : wxDropTargetBase( data )
{
- return 1;
+ wxMacEnsureTrackingHandlersInstalled();
}
-wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
+wxDragResult wxDropTarget::OnDragOver(
+ wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ wxDragResult def )
{
- return wxDF_TEXT;
+ return CurrentDragHasSupportedFormat() ? def : wxDragNone;
}
-#endif
-
-// ----------------------------------------------------------------------------
-// wxFileDropTarget
-// ----------------------------------------------------------------------------
-#ifndef __WXMAC_X__
-bool wxFileDropTarget::OnDropFiles( wxCoord x, wxCoord y, size_t nFiles, const char * const WXUNUSED(aszFiles)[] )
+bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
{
- printf( "Got %d dropped files.\n", (int)nFiles );
- printf( "At x: %d, y: %d.\n", (int)x, (int)y );
- return TRUE;
+ if (m_dataObject == NULL)
+ return false;
+
+ return CurrentDragHasSupportedFormat();
}
-#endif
-bool wxFileDropTarget::OnDrop(wxCoord x, wxCoord y, const wxArrayString& filenames)
+wxDragResult wxDropTarget::OnData(
+ wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ wxDragResult def )
{
- return OnDropFiles(x, y, 1, &filenames);
+ if (m_dataObject == NULL)
+ return wxDragNone;
+
+ if (!CurrentDragHasSupportedFormat())
+ return wxDragNone;
+
+ return GetData() ? def : wxDragNone;
}
-#ifndef __WXMAC_X__
-size_t wxFileDropTarget::GetFormatCount() const
+bool wxDropTarget::CurrentDragHasSupportedFormat()
{
- return 1;
+ bool supported = false;
+
+ if ( gTrackingGlobals.m_currentSource != NULL )
+ {
+ wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject();
+
+ if ( data )
+ {
+ size_t formatcount = data->GetFormatCount();
+ wxDataFormat *array = new wxDataFormat[formatcount];
+ data->GetAllFormats( array );
+ for (size_t i = 0; !supported && i < formatcount; i++)
+ {
+ wxDataFormat format = array[i];
+ if ( m_dataObject->IsSupported( format ) )
+ {
+ supported = true;
+ break;
+ }
+ }
+
+ delete [] array;
+ }
+ }
+
+ if ( !supported )
+ {
+ UInt16 items;
+ OSErr result;
+ ItemReference theItem;
+ FlavorType theType;
+ UInt16 flavors = 0;
+
+ CountDragItems( (DragReference)m_currentDrag, &items );
+ for (UInt16 index = 1; index <= items && !supported; ++index)
+ {
+ flavors = 0;
+ GetDragItemReferenceNumber( (DragReference)m_currentDrag, index, &theItem );
+ CountDragItemFlavors( (DragReference)m_currentDrag, theItem, &flavors );
+
+ for ( UInt16 flavor = 1; flavor <= flavors; ++flavor )
+ {
+ result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
+ if ( m_dataObject->IsSupportedFormat( wxDataFormat( theType ) ) )
+ {
+ supported = true;
+ break;
+ }
+ }
+ }
+ }
+
+ return supported;
}
-wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
+bool wxDropTarget::GetData()
{
- return wxDF_FILENAME;
-}
+ if (m_dataObject == NULL)
+ return false;
+
+ if ( !CurrentDragHasSupportedFormat() )
+ return false;
+
+ bool transferred = false;
+ if ( gTrackingGlobals.m_currentSource != NULL )
+ {
+ wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject();
+
+ if (data != NULL)
+ {
+ size_t formatcount = data->GetFormatCount();
+ wxDataFormat *array = new wxDataFormat[formatcount];
+ data->GetAllFormats( array );
+ for (size_t i = 0; !transferred && i < formatcount; i++)
+ {
+ wxDataFormat format = array[i];
+ if ( m_dataObject->IsSupported( format ) )
+ {
+ int size = data->GetDataSize( format );
+ transferred = true;
+
+ if (size == 0)
+ {
+ m_dataObject->SetData( format, 0, 0 );
+ }
+ else
+ {
+ char *d = new char[size];
+ data->GetDataHere( format, (void*)d );
+ m_dataObject->SetData( format, size, d );
+ delete [] d;
+ }
+ }
+ }
+
+ delete [] array;
+ }
+ }
+
+ if ( !transferred )
+ {
+ UInt16 items;
+ OSErr result;
+ ItemReference theItem;
+ FlavorType theType;
+ FlavorFlags theFlags;
+ UInt16 flavors;
+ wxString filenamesPassed;
+
+ CountDragItems( (DragReference)m_currentDrag, &items );
+ for (UInt16 index = 1; index <= items; ++index)
+ {
+ flavors = 0;
+ GetDragItemReferenceNumber( (DragReference)m_currentDrag, index, &theItem );
+ CountDragItemFlavors( (DragReference)m_currentDrag, theItem, &flavors );
+ wxDataFormat preferredFormat = m_dataObject->GetPreferredFormat( wxDataObject::Set );
+ bool hasPreferredFormat = false;
+
+ for (UInt16 flavor = 1; flavor <= flavors; ++flavor)
+ {
+ result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
+ wxDataFormat format( theType );
+ if (preferredFormat == format)
+ {
+ hasPreferredFormat = true;
+ break;
+ }
+ }
+
+ for (UInt16 flavor = 1; flavor <= flavors; ++flavor)
+ {
+ result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
+ wxDataFormat format( theType );
+ if ((hasPreferredFormat && format == preferredFormat)
+ || (!hasPreferredFormat && m_dataObject->IsSupportedFormat( format )))
+ {
+ result = GetFlavorFlags( (DragReference)m_currentDrag, theItem, theType, &theFlags );
+ if (result == noErr)
+ {
+ Size dataSize;
+ Ptr theData;
+
+ GetFlavorDataSize( (DragReference)m_currentDrag, theItem, theType, &dataSize );
+ if (theType == kScrapFlavorTypeText)
+ {
+ // this increment is only valid for allocating:
+ // on the next GetFlavorData call it is reset again to the original value
+ dataSize++;
+ }
+ else if (theType == kScrapFlavorTypeUnicode)
+ {
+ // this increment is only valid for allocating:
+ // on the next GetFlavorData call it is reset again to the original value
+ dataSize++;
+ dataSize++;
+ }
+
+ if (dataSize > 0)
+ theData = new char[dataSize];
+ else
+ theData = NULL;
+
+ GetFlavorData( (DragReference)m_currentDrag, theItem, theType, (void*)theData, &dataSize, 0L );
+ switch (theType)
+ {
+ case kScrapFlavorTypeText:
+ theData[dataSize] = 0;
+ m_dataObject->SetData( wxDataFormat(wxDF_TEXT), dataSize, theData );
+ break;
+
+#if wxUSE_UNICODE
+ case kScrapFlavorTypeUnicode:
+ theData[dataSize + 0] =
+ theData[dataSize + 1] = 0;
+ m_dataObject->SetData( wxDataFormat(wxDF_UNICODETEXT), dataSize, theData );
+ break;
#endif
+ case kDragFlavorTypeHFS:
+ if (theData != NULL)
+ {
+ HFSFlavor* theFile = (HFSFlavor*)theData;
+ wxString name = wxMacFSSpec2MacFilename( &theFile->fileSpec );
+
+ if (!name.empty())
+ filenamesPassed += name + wxT("\n");
+ }
+ break;
+
+ default:
+ m_dataObject->SetData( format, dataSize, theData );
+ break;
+ }
+
+ delete [] theData;
+ }
+ break;
+ }
+ }
+ }
+
+ if (filenamesPassed.Len() > 0)
+ {
+ wxCharBuffer buf = filenamesPassed.fn_str();
+ m_dataObject->SetData( wxDataFormat(wxDF_FILENAME), strlen( buf ), (const char*)buf );
+ }
+ }
+
+ return true;
+}
+
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// drag request
-wxDropSource::wxDropSource( wxWindow *win )
+wxDropSource::wxDropSource(wxWindow *win,
+ const wxCursor &cursorCopy,
+ const wxCursor &cursorMove,
+ const wxCursor &cursorStop)
+ : wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- // TODO
- // m_window = win;
- m_data = NULL;
+ wxMacEnsureTrackingHandlersInstalled();
- // m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
- // m_goaheadCursor = wxCursor( wxCURSOR_HAND );
-};
+ m_window = win;
+}
-wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
+wxDropSource::wxDropSource(wxDataObject& data,
+ wxWindow *win,
+ const wxCursor &cursorCopy,
+ const wxCursor &cursorMove,
+ const wxCursor &cursorStop)
+ : wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- // TODO
- // m_window = win;
- m_data = &data;
+ wxMacEnsureTrackingHandlersInstalled();
- // m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
- // m_goaheadCursor = wxCursor( wxCURSOR_HAND );
-};
+ SetData( data );
+ m_window = win;
+}
-void wxDropSource::SetData( wxDataObject &data )
+wxDropSource::~wxDropSource()
{
- m_data = &data;
-};
+}
-wxDropSource::~wxDropSource(void)
+wxDragResult wxDropSource::DoDragDrop(int flags)
{
-};
-
-wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
+ wxASSERT_MSG( m_data, wxT("Drop source: no data") );
+
+ if ((m_data == NULL) || (m_data->GetFormatCount() == 0))
+ return (wxDragResult)wxDragNone;
+
+ OSStatus result;
+ DragReference theDrag;
+ RgnHandle dragRegion;
+
+ if ((result = NewDrag( &theDrag )) != noErr)
+ return wxDragNone;
+
+ // add data to drag
+ size_t formatCount = m_data->GetFormatCount();
+ wxDataFormat *formats = new wxDataFormat[formatCount];
+ m_data->GetAllFormats( formats );
+ ItemReference theItem = 1;
+
+ for ( size_t i = 0; i < formatCount; ++i )
+ {
+ size_t dataSize = m_data->GetDataSize( formats[i] );
+ Ptr dataPtr = new char[dataSize];
+ m_data->GetDataHere( formats[i], dataPtr );
+ OSType type = formats[i].GetFormatId();
+ if ( type == 'TEXT' || type == 'utxt' )
+ {
+ if ( dataSize > 0 )
+ dataSize--;
+ dataPtr[ dataSize ] = 0;
+ if ( type == 'utxt' )
+ {
+ if ( dataSize > 0 )
+ dataSize--;
+ dataPtr[ dataSize ] = 0;
+ }
+
+ AddDragItemFlavor( theDrag, theItem, type, dataPtr, dataSize, 0 );
+ }
+ else if (type == kDragFlavorTypeHFS )
+ {
+ HFSFlavor theFlavor;
+ OSErr err = noErr;
+ CInfoPBRec cat;
+
+ wxMacFilename2FSSpec( wxString( dataPtr, *wxConvCurrent ), &theFlavor.fileSpec );
+
+ memset( &cat, 0, sizeof(cat) );
+ cat.hFileInfo.ioNamePtr = theFlavor.fileSpec.name;
+ cat.hFileInfo.ioVRefNum = theFlavor.fileSpec.vRefNum;
+ cat.hFileInfo.ioDirID = theFlavor.fileSpec.parID;
+ cat.hFileInfo.ioFDirIndex = 0;
+ err = PBGetCatInfoSync( &cat );
+ if (err == noErr)
+ {
+ theFlavor.fdFlags = cat.hFileInfo.ioFlFndrInfo.fdFlags;
+ if (theFlavor.fileSpec.parID == fsRtParID)
+ {
+ theFlavor.fileCreator = 'MACS';
+ theFlavor.fileType = 'disk';
+ }
+ else if ((cat.hFileInfo.ioFlAttrib & ioDirMask) != 0)
+ {
+ theFlavor.fileCreator = 'MACS';
+ theFlavor.fileType = 'fold';
+ }
+ else
+ {
+ theFlavor.fileCreator = cat.hFileInfo.ioFlFndrInfo.fdCreator;
+ theFlavor.fileType = cat.hFileInfo.ioFlFndrInfo.fdType;
+ }
+
+ AddDragItemFlavor( theDrag, theItem, type, &theFlavor, sizeof(theFlavor), 0 );
+ }
+ }
+ else
+ {
+ AddDragItemFlavor( theDrag, theItem, type, dataPtr, dataSize, 0 );
+ }
+
+ delete [] dataPtr;
+ }
+
+ delete [] formats;
+
+ dragRegion = NewRgn();
+ RgnHandle tempRgn = NewRgn();
+
+ EventRecord* ev = NULL;
+
+#if !TARGET_CARBON // TODO
+ ev = (EventRecord*) wxTheApp->MacGetCurrentEvent();
+#else
+ EventRecord rec;
+ ev = &rec;
+ wxMacConvertEventToRecord( (EventRef) wxTheApp->MacGetCurrentEvent(), &rec );
+#endif
+
+ const short dragRegionOuterBoundary = 10;
+ const short dragRegionInnerBoundary = 9;
+
+ SetRectRgn(
+ dragRegion,
+ ev->where.h - dragRegionOuterBoundary,
+ ev->where.v - dragRegionOuterBoundary,
+ ev->where.h + dragRegionOuterBoundary,
+ ev->where.v + dragRegionOuterBoundary );
+
+ SetRectRgn(
+ tempRgn,
+ ev->where.h - dragRegionInnerBoundary,
+ ev->where.v - dragRegionInnerBoundary,
+ ev->where.h + dragRegionInnerBoundary,
+ ev->where.v + dragRegionInnerBoundary );
+
+ DiffRgn( dragRegion, tempRgn, dragRegion );
+ DisposeRgn( tempRgn );
+
+ // TODO: work with promises in order to return data
+ // only when drag was successfully completed
+
+ gTrackingGlobals.m_currentSource = this;
+ result = TrackDrag( theDrag, ev, dragRegion );
+ DisposeRgn( dragRegion );
+ DisposeDrag( theDrag );
+ gTrackingGlobals.m_currentSource = NULL;
+
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
+ wxDragResult dndresult = wxDragCopy;
+ if ( flags != wxDrag_CopyOnly )
+ // on mac the option key is always the indication for copy
+ dndresult = optionDown ? wxDragCopy : wxDragMove;
+
+ return dndresult;
+}
+
+bool wxDropSource::MacInstallDefaultCursor(wxDragResult effect)
+{
+ const wxCursor& cursor = GetCursor(effect);
+ bool result = cursor.Ok();
+
+ if ( result )
+ cursor.MacInstall();
+
+ return result;
+}
+
+bool gTrackingGlobalsInstalled = false;
+
+// passing the globals via refcon is not needed by the CFM and later architectures anymore
+// but I'll leave it in there, just in case...
+
+pascal OSErr wxMacWindowDragTrackingHandler(
+ DragTrackingMessage theMessage, WindowPtr theWindow,
+ void *handlerRefCon, DragReference theDrag );
+pascal OSErr wxMacWindowDragReceiveHandler(
+ WindowPtr theWindow, void *handlerRefCon,
+ DragReference theDrag );
+
+void wxMacEnsureTrackingHandlersInstalled()
+{
+ if ( !gTrackingGlobalsInstalled )
+ {
+ OSStatus err;
+
+ err = InstallTrackingHandler( NewDragTrackingHandlerUPP(wxMacWindowDragTrackingHandler), 0L, &gTrackingGlobals );
+ verify_noerr( err );
+
+ err = InstallReceiveHandler( NewDragReceiveHandlerUPP(wxMacWindowDragReceiveHandler), 0L, &gTrackingGlobals );
+ verify_noerr( err );
+
+ gTrackingGlobalsInstalled = true;
+ }
+}
+
+pascal OSErr wxMacWindowDragTrackingHandler(
+ DragTrackingMessage theMessage, WindowPtr theWindow,
+ void *handlerRefCon, DragReference theDrag )
{
- // TODO
- return wxDragError;
-};
+ MacTrackingGlobals* trackingGlobals = (MacTrackingGlobals*) handlerRefCon;
+
+ Point mouse, localMouse;
+ DragAttributes attributes;
+
+ GetDragAttributes( theDrag, &attributes );
+
+ wxTopLevelWindowMac* toplevel = wxFindWinFromMacWindow( theWindow );
+
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
+ wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
+
+ switch (theMessage)
+ {
+ case kDragTrackingEnterHandler:
+ case kDragTrackingLeaveHandler:
+ break;
+
+ case kDragTrackingEnterWindow:
+ if (trackingGlobals != NULL)
+ {
+ trackingGlobals->m_currentTargetWindow = NULL;
+ trackingGlobals->m_currentTarget = NULL;
+ }
+ break;
+
+ case kDragTrackingInWindow:
+ if (trackingGlobals == NULL)
+ break;
+ if (toplevel == NULL)
+ break;
+
+ GetDragMouse( theDrag, &mouse, 0L );
+ localMouse = mouse;
+ GlobalToLocal( &localMouse );
+
+ {
+ wxWindow *win = NULL;
+ ControlPartCode controlPart;
+ ControlRef control = wxMacFindControlUnderMouse(
+ toplevel, localMouse, theWindow, &controlPart );
+ if ( control )
+ win = wxFindControlFromMacControl( control );
+ else
+ win = toplevel;
+
+ int localx, localy;
+ localx = localMouse.h;
+ localy = localMouse.v;
+
+ if ( win )
+ win->MacRootWindowToWindow( &localx, &localy );
+ if ( win != trackingGlobals->m_currentTargetWindow )
+ {
+ if ( trackingGlobals->m_currentTargetWindow )
+ {
+ // this window is left
+ if ( trackingGlobals->m_currentTarget )
+ {
+ HideDragHilite( theDrag );
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ trackingGlobals->m_currentTarget->OnLeave();
+ trackingGlobals->m_currentTarget = NULL;
+ trackingGlobals->m_currentTargetWindow = NULL;
+ }
+ }
+
+ if ( win )
+ {
+ // this window is entered
+ trackingGlobals->m_currentTargetWindow = win;
+ trackingGlobals->m_currentTarget = win->GetDropTarget();
+ {
+ if ( trackingGlobals->m_currentTarget )
+ {
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ result = trackingGlobals->m_currentTarget->OnEnter( localx, localy, result );
+ }
+
+ if ( result != wxDragNone )
+ {
+ int x, y;
+
+ x = y = 0;
+ win->MacWindowToRootWindow( &x, &y );
+ RgnHandle hiliteRgn = NewRgn();
+ Rect r = { y, x, y + win->GetSize().y, x + win->GetSize().x };
+ RectRgn( hiliteRgn, &r );
+ ShowDragHilite( theDrag, hiliteRgn, true );
+ DisposeRgn( hiliteRgn );
+ }
+ }
+ }
+ }
+ else
+ {
+ if ( trackingGlobals->m_currentTarget )
+ {
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ trackingGlobals->m_currentTarget->OnDragOver( localx, localy, result );
+ }
+ }
+
+ // set cursor for OnEnter and OnDragOver
+ if ( trackingGlobals->m_currentSource && !trackingGlobals->m_currentSource->GiveFeedback( result ) )
+ {
+ if ( !trackingGlobals->m_currentSource->MacInstallDefaultCursor( result ) )
+ {
+ int cursorID = wxCURSOR_NONE;
+
+ switch (result)
+ {
+ case wxDragCopy:
+ cursorID = wxCURSOR_COPY_ARROW;
+ break;
+
+ case wxDragMove:
+ cursorID = wxCURSOR_ARROW;
+ break;
+
+ case wxDragNone:
+ cursorID = wxCURSOR_NO_ENTRY;
+ break;
+
+ case wxDragError:
+ case wxDragLink:
+ case wxDragCancel:
+ default:
+ // put these here to make gcc happy
+ ;
+ }
+
+ if (cursorID != wxCURSOR_NONE)
+ {
+ wxCursor cursor( cursorID );
+ cursor.MacInstall();
+ }
+ }
+ }
+ }
+ break;
+
+ case kDragTrackingLeaveWindow:
+ if (trackingGlobals == NULL)
+ break;
+
+ if (trackingGlobals->m_currentTarget)
+ {
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ trackingGlobals->m_currentTarget->OnLeave();
+ HideDragHilite( theDrag );
+ trackingGlobals->m_currentTarget = NULL;
+ }
+ trackingGlobals->m_currentTargetWindow = NULL;
+ break;
+
+ default:
+ break;
+ }
+
+ return noErr;
+}
+
+pascal OSErr wxMacWindowDragReceiveHandler(
+ WindowPtr theWindow,
+ void *handlerRefCon,
+ DragReference theDrag)
+{
+ MacTrackingGlobals* trackingGlobals = (MacTrackingGlobals*)handlerRefCon;
+ if ( trackingGlobals->m_currentTarget )
+ {
+ Point mouse, localMouse;
+ int localx, localy;
+
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ GetDragMouse( theDrag, &mouse, 0L );
+ localMouse = mouse;
+ GlobalToLocal( &localMouse );
+ localx = localMouse.h;
+ localy = localMouse.v;
+
+ // TODO : should we use client coordinates?
+ if ( trackingGlobals->m_currentTargetWindow )
+ trackingGlobals->m_currentTargetWindow->MacRootWindowToWindow( &localx, &localy );
+ if ( trackingGlobals->m_currentTarget->OnDrop( localx, localy ) )
+ {
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
+ wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
+ trackingGlobals->m_currentTarget->OnData( localx, localy, result );
+ }
+ }
+
+ return noErr;
+}
#endif
projects / wxWidgets.git / blobdiff