///////////////////////////////////////////////////////////////////////////////
// Name: dnd.cpp
-// Purpose: wxDropTarget, wxDropSource, wxDataObject implementation
+// Purpose: wxDropTarget, wxDropSource implementations
// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "dnd.h"
-#endif
-
#include "wx/wxprec.h"
#if wxUSE_DRAG_AND_DROP
#include <Scrap.h>
#endif
+
// ----------------------------------------------------------------------------
-// global
+// globals
// ----------------------------------------------------------------------------
-void wxMacEnsureTrackingHandlersInstalled() ;
-
-typedef struct
+typedef struct
{
- wxWindow* m_currentTargetWindow ;
- wxDropTarget* m_currentTarget ;
- wxDropSource* m_currentSource ;
-} MacTrackingGlobals ;
+ wxWindow *m_currentTargetWindow;
+ wxDropTarget *m_currentTarget;
+ wxDropSource *m_currentSource;
+}
+MacTrackingGlobals;
+
+MacTrackingGlobals gTrackingGlobals;
-MacTrackingGlobals gTrackingGlobals ;
+void wxMacEnsureTrackingHandlersInstalled();
//----------------------------------------------------------------------------
// wxDropTarget
wxDropTarget::wxDropTarget( wxDataObject *data )
: wxDropTargetBase( data )
{
- wxMacEnsureTrackingHandlersInstalled() ;
+ wxMacEnsureTrackingHandlersInstalled();
}
-wxDragResult wxDropTarget::OnDragOver( wxCoord WXUNUSED(x),
- wxCoord WXUNUSED(y),
- wxDragResult def )
+wxDragResult wxDropTarget::OnDragOver(
+ wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ wxDragResult def )
{
-
return CurrentDragHasSupportedFormat() ? def : wxDragNone;
}
bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
{
- if (!m_dataObject)
- return FALSE;
+ if (m_dataObject == NULL)
+ return false;
- return CurrentDragHasSupportedFormat() ;
+ return CurrentDragHasSupportedFormat();
}
-wxDragResult wxDropTarget::OnData( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
- wxDragResult def )
+wxDragResult wxDropTarget::OnData(
+ wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ wxDragResult def )
{
- if (!m_dataObject)
+ if (m_dataObject == NULL)
return wxDragNone;
if (!CurrentDragHasSupportedFormat())
return GetData() ? def : wxDragNone;
}
-bool wxDropTarget::CurrentDragHasSupportedFormat()
+bool wxDropTarget::CurrentDragHasSupportedFormat()
{
- bool supported = false ;
+ bool supported = false;
+
if ( gTrackingGlobals.m_currentSource != NULL )
{
- wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject() ;
-
+ wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject();
+
if ( data )
{
- size_t formatcount = data->GetFormatCount() ;
- wxDataFormat *array = new wxDataFormat[ formatcount ];
+ size_t formatcount = data->GetFormatCount();
+ wxDataFormat *array = new wxDataFormat[formatcount];
data->GetAllFormats( array );
- for (size_t i = 0; !supported && i < formatcount ; i++)
+ for (size_t i = 0; !supported && i < formatcount; i++)
{
- wxDataFormat format = array[i] ;
- if ( m_dataObject->IsSupported( format ) )
+ wxDataFormat format = array[i];
+ if ( m_dataObject->IsSupported( format ) )
{
- supported = true ;
- break ;
+ supported = true;
+ break;
}
}
- delete[] array ;
+
+ delete [] array;
}
}
+
if ( !supported )
{
- UInt16 items ;
+ UInt16 items;
OSErr result;
- CountDragItems((DragReference)m_currentDrag, &items);
- for (UInt16 index = 1; index <= items && supported == false ; ++index)
+ ItemReference theItem;
+ FlavorType theType;
+ UInt16 flavors = 0;
+
+ CountDragItems( (DragReference)m_currentDrag, &items );
+ for (UInt16 index = 1; index <= items && !supported; ++index)
{
- ItemReference theItem;
- FlavorType theType ;
- UInt16 flavors = 0 ;
- GetDragItemReferenceNumber((DragReference)m_currentDrag, index, &theItem);
- CountDragItemFlavors( (DragReference)m_currentDrag, theItem , &flavors ) ;
- for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor )
+ 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);
+ result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
if ( m_dataObject->IsSupportedFormat( wxDataFormat( theType ) ) )
{
- supported = true ;
- break ;
+ supported = true;
+ break;
}
}
}
}
- return supported ;
+
+ return supported;
}
bool wxDropTarget::GetData()
{
- if (!m_dataObject)
- return FALSE;
-
+ if (m_dataObject == NULL)
+ return false;
+
if ( !CurrentDragHasSupportedFormat() )
- return FALSE ;
-
- bool transferred = false ;
+ return false;
+
+ bool transferred = false;
if ( gTrackingGlobals.m_currentSource != NULL )
{
- wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject() ;
-
- if ( data )
+ wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject();
+
+ if (data != NULL)
{
- size_t formatcount = data->GetFormatCount() ;
- wxDataFormat *array = new wxDataFormat[ formatcount ];
+ size_t formatcount = data->GetFormatCount();
+ wxDataFormat *array = new wxDataFormat[formatcount];
data->GetAllFormats( array );
- for (size_t i = 0; !transferred && i < formatcount ; i++)
+ for (size_t i = 0; !transferred && i < formatcount; i++)
{
- wxDataFormat format = array[i] ;
- if ( m_dataObject->IsSupported( format ) )
+ wxDataFormat format = array[i];
+ if ( m_dataObject->IsSupported( format ) )
{
int size = data->GetDataSize( format );
- transferred = true ;
-
- if (size == 0)
+ transferred = true;
+
+ if (size == 0)
{
- m_dataObject->SetData(format , 0 , 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 ;
+ data->GetDataHere( format, (void*)d );
+ m_dataObject->SetData( format, size, d );
+ delete [] d;
}
}
}
- delete[] array ;
+
+ delete [] array;
}
}
+
if ( !transferred )
{
- UInt16 items ;
+ UInt16 items;
OSErr result;
- bool firstFileAdded = false ;
- CountDragItems((DragReference)m_currentDrag, &items);
- for (UInt16 index = 1; index <= items; ++index)
+ ItemReference theItem;
+ FlavorType theType;
+ FlavorFlags theFlags;
+ UInt16 flavors;
+ bool firstFileAdded = false;
+
+ CountDragItems( (DragReference)m_currentDrag, &items );
+ for (UInt16 index = 1; index <= items; ++index)
{
- ItemReference theItem;
- FlavorType theType ;
- UInt16 flavors = 0 ;
- GetDragItemReferenceNumber((DragReference)m_currentDrag, index, &theItem);
- CountDragItemFlavors( (DragReference)m_currentDrag, theItem , &flavors ) ;
- bool hasPreferredFormat = false ;
- wxDataFormat preferredFormat = m_dataObject->GetPreferredFormat( wxDataObject::Set ) ;
-
- for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor )
+ 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) ;
+ result = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
+ wxDataFormat format( theType );
if ( preferredFormat == format )
{
- hasPreferredFormat = true ;
- break ;
+ hasPreferredFormat = true;
+ break;
}
}
-
- for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor )
+
+ 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 = GetFlavorType( (DragReference)m_currentDrag, theItem, flavor, &theType );
+ wxDataFormat format( theType );
+ if ( (hasPreferredFormat && format == preferredFormat)
+ || (!hasPreferredFormat && m_dataObject->IsSupportedFormat( format )))
{
- FlavorFlags theFlags;
- result = GetFlavorFlags((DragReference)m_currentDrag, theItem, theType, &theFlags);
- if (result == noErr)
+ result = GetFlavorFlags( (DragReference)m_currentDrag, theItem, theType, &theFlags );
+ if (result == noErr)
{
- Size dataSize ;
- Ptr theData ;
- GetFlavorDataSize((DragReference)m_currentDrag, theItem, theType, &dataSize);
+ 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++ ;
+ // this increment is only valid for allocating:
+ // on the next GetFlavorData call it is reset again to the original value
+ dataSize++;
}
- theData = new char[dataSize];
- GetFlavorData((DragReference)m_currentDrag, theItem, theType, (void*) theData, &dataSize, 0L);
- if( theType == kScrapFlavorTypeText )
- {
- theData[dataSize]=0 ;
- m_dataObject->SetData( wxDataFormat(wxDF_TEXT), dataSize , theData );
- }
- #if wxUSE_UNICODE
else if ( theType == kScrapFlavorTypeUnicode )
{
- theData[dataSize]=0 ;
- theData[dataSize+1]=0 ;
- m_dataObject->SetData( wxDataFormat(wxDF_UNICODETEXT), dataSize , theData );
+ // this increment is only valid for allocating:
+ // on the next GetFlavorData call it is reset again to the original value
+ dataSize++;
+ dataSize++;
}
- #endif
- else if ( theType == kDragFlavorTypeHFS )
+
+ if (dataSize > 0)
+ theData = new char[dataSize];
+ else
+ theData = NULL;
+
+ GetFlavorData( (DragReference)m_currentDrag, theItem, theType, (void*) theData, &dataSize, 0L );
+ switch (theType)
{
- HFSFlavor* theFile = (HFSFlavor*) theData ;
- wxString name = wxMacFSSpec2MacFilename( &theFile->fileSpec ) ;
- if ( !firstFileAdded )
+ 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:
{
- // reset file list
- ((wxFileDataObject*)m_dataObject)->SetData( 0 , "" ) ;
- firstFileAdded = true ;
+ wxFileDataObject *fdo = dynamic_cast<wxFileDataObject*>(m_dataObject);
+ wxASSERT( fdo != NULL );
+
+ if ((theData != NULL) && (fdo != NULL))
+ {
+ HFSFlavor* theFile = (HFSFlavor*) theData;
+ wxString name = wxMacFSSpec2MacFilename( &theFile->fileSpec );
+
+ if ( !firstFileAdded )
+ {
+ // reset file list
+ fdo->SetData( 0, "" );
+ firstFileAdded = true;
+ }
+
+ if (!name.IsEmpty())
+ fdo->AddFile( name );
+ }
}
- ((wxFileDataObject*)m_dataObject)->AddFile( name ) ;
- }
- else
- {
+ break;
+
+ default:
m_dataObject->SetData( format, dataSize, theData );
+ break;
}
- delete[] theData;
+
+ delete [] theData;
}
- break ;
+ break;
}
}
}
}
- return TRUE ;
+
+ return true;
}
//-------------------------------------------------------------------------
const wxCursor &cursorStop)
: wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- wxMacEnsureTrackingHandlersInstalled() ;
+ wxMacEnsureTrackingHandlersInstalled();
+
m_window = win;
}
const wxCursor &cursorStop)
: wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- wxMacEnsureTrackingHandlersInstalled() ;
+ wxMacEnsureTrackingHandlersInstalled();
+
SetData( data );
m_window = win;
}
{
}
-
-wxDragResult wxDropSource::DoDragDrop(int WXUNUSED(flags))
+wxDragResult wxDropSource::DoDragDrop(int flags)
{
wxASSERT_MSG( m_data, wxT("Drop source: no data") );
-
+
if (!m_data)
return (wxDragResult) wxDragNone;
-
if (m_data->GetFormatCount() == 0)
return (wxDragResult) wxDragNone;
-
- OSErr result;
+
+ OSStatus result;
DragReference theDrag;
RgnHandle dragRegion;
- if ((result = NewDrag(&theDrag)))
- {
- return wxDragNone ;
- }
+ 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 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() ;
+ 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 ;
+ dataSize--;
+ dataPtr[ dataSize ] = 0;
if ( type == 'utxt' )
{
if ( dataSize > 0 )
- dataSize-- ;
- dataPtr[ dataSize ] = 0 ;
+ dataSize--;
+ dataPtr[ dataSize ] = 0;
}
- AddDragItemFlavor(theDrag, theItem, type , dataPtr, dataSize, 0);
+
+ AddDragItemFlavor( theDrag, theItem, type, dataPtr, dataSize, 0 );
}
else if (type == kDragFlavorTypeHFS )
{
- HFSFlavor theFlavor ;
+ HFSFlavor theFlavor;
OSErr err = noErr;
CInfoPBRec cat;
-
- wxMacFilename2FSSpec( wxString( dataPtr , *wxConvCurrent ) , &theFlavor.fileSpec ) ;
-
+
+ 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 )
+ err = PBGetCatInfoSync( &cat );
+ if (err == noErr)
{
theFlavor.fdFlags = cat.hFileInfo.ioFlFndrInfo.fdFlags;
- if (theFlavor.fileSpec.parID == fsRtParID) {
+ if (theFlavor.fileSpec.parID == fsRtParID)
+ {
theFlavor.fileCreator = 'MACS';
theFlavor.fileType = 'disk';
- } else if ((cat.hFileInfo.ioFlAttrib & ioDirMask) != 0) {
+ }
+ else if ((cat.hFileInfo.ioFlAttrib & ioDirMask) != 0)
+ {
theFlavor.fileCreator = 'MACS';
theFlavor.fileType = 'fold';
- } else {
+ }
+ else
+ {
theFlavor.fileCreator = cat.hFileInfo.ioFlFndrInfo.fdCreator;
theFlavor.fileType = cat.hFileInfo.ioFlFndrInfo.fdType;
}
- AddDragItemFlavor(theDrag, theItem, type , &theFlavor, sizeof(theFlavor), 0);
- }
+
+ AddDragItemFlavor( theDrag, theItem, type, &theFlavor, sizeof(theFlavor), 0 );
+ }
}
else
{
- AddDragItemFlavor(theDrag, theItem, type , dataPtr, dataSize, 0);
+ AddDragItemFlavor( theDrag, theItem, type, dataPtr, dataSize, 0 );
}
- delete[] dataPtr ;
+
+ delete [] dataPtr;
}
- delete[] formats ;
-
+
+ delete [] formats;
+
dragRegion = NewRgn();
- RgnHandle tempRgn = NewRgn() ;
-
- EventRecord* ev = NULL ;
+ RgnHandle tempRgn = NewRgn();
+
+ EventRecord* ev = NULL;
+
#if !TARGET_CARBON // TODO
- ev = (EventRecord*) wxTheApp->MacGetCurrentEvent() ;
+ ev = (EventRecord*) wxTheApp->MacGetCurrentEvent();
#else
- EventRecord rec ;
- ev = &rec ;
- wxMacConvertEventToRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
+ 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 = optionDown ? wxDragCopy : wxDragMove;
+
+ 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);
- if ( cursor.Ok() )
- {
- cursor.MacInstall() ;
+ bool result = cursor.Ok();
- return TRUE;
- }
- else
- {
- return FALSE;
- }
+ if ( result )
+ cursor.MacInstall();
+
+ return result;
}
-bool gTrackingGlobalsInstalled = false ;
+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) ;
+pascal OSErr wxMacWindowDragTrackingHandler(
+ DragTrackingMessage theMessage, WindowPtr theWindow,
+ void *handlerRefCon, DragReference theDrag );
+pascal OSErr wxMacWindowDragReceiveHandler(
+ WindowPtr theWindow, void *handlerRefCon,
+ DragReference theDrag );
void wxMacEnsureTrackingHandlersInstalled()
{
- if( !gTrackingGlobalsInstalled )
+ if ( !gTrackingGlobalsInstalled )
{
- OSErr result;
+ OSStatus err;
+
+ err = InstallTrackingHandler( NewDragTrackingHandlerUPP(wxMacWindowDragTrackingHandler), 0L, &gTrackingGlobals );
+ verify_noerr( err );
- result = InstallTrackingHandler(NewDragTrackingHandlerUPP(wxMacWindowDragTrackingHandler), 0L,&gTrackingGlobals);
- wxASSERT( result == noErr ) ;
- result = InstallReceiveHandler(NewDragReceiveHandlerUPP(wxMacWindowDragReceiveHandler), 0L, &gTrackingGlobals);
- wxASSERT( result == noErr ) ;
+ err = InstallReceiveHandler( NewDragReceiveHandlerUPP(wxMacWindowDragReceiveHandler), 0L, &gTrackingGlobals );
+ verify_noerr( err );
- gTrackingGlobalsInstalled = true ;
+ gTrackingGlobalsInstalled = true;
}
}
-pascal OSErr wxMacWindowDragTrackingHandler(DragTrackingMessage theMessage, WindowPtr theWindow,
- void *handlerRefCon, DragReference theDrag)
-{
+pascal OSErr wxMacWindowDragTrackingHandler(
+ DragTrackingMessage theMessage, WindowPtr theWindow,
+ void *handlerRefCon, DragReference theDrag )
+{
MacTrackingGlobals* trackingGlobals = (MacTrackingGlobals*) handlerRefCon;
+
Point mouse, localMouse;
DragAttributes attributes;
- GetDragAttributes(theDrag, &attributes);
- wxTopLevelWindowMac* toplevel = wxFindWinFromMacWindow( theWindow ) ;
- bool optionDown = GetCurrentKeyModifiers() & optionKey ;
+ GetDragAttributes( theDrag, &attributes );
+
+ wxTopLevelWindowMac* toplevel = wxFindWinFromMacWindow( theWindow );
+
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
- switch(theMessage)
+ switch (theMessage)
{
case kDragTrackingEnterHandler:
- break;
case kDragTrackingLeaveHandler:
break;
+
case kDragTrackingEnterWindow:
- trackingGlobals->m_currentTargetWindow = NULL ;
- trackingGlobals->m_currentTarget = NULL ;
+ 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);
+ GetDragMouse( theDrag, &mouse, 0L );
localMouse = mouse;
- GlobalToLocal(&localMouse);
-
+ GlobalToLocal( &localMouse );
-
-// if (attributes & kDragHasLeftSenderWindow)
{
-// wxPoint point(localMouse.h , localMouse.v) ;
- wxWindow *win = NULL ;
- ControlPartCode controlPart ;
- ControlRef control = wxMacFindControlUnderMouse( toplevel , localMouse ,
- theWindow , &controlPart ) ;
+ wxWindow *win = NULL;
+ ControlPartCode controlPart;
+ ControlRef control = wxMacFindControlUnderMouse(
+ toplevel, localMouse, theWindow, &controlPart );
if ( control )
- win = wxFindControlFromMacControl( control ) ;
- // TODO toplevel->MacGetWindowFromPointSub( point , &win ) ;
- int localx , localy ;
- localx = localMouse.h ;
- localy = localMouse.v ;
- //TODO : should we use client coordinates
+ win = wxFindControlFromMacControl( control );
+ else
+ win = toplevel;
+
+ int localx, localy;
+ localx = localMouse.h;
+ localy = localMouse.v;
+
if ( win )
- win->MacRootWindowToWindow( &localx , &localy ) ;
+ 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() ;
+ HideDragHilite( theDrag );
+ trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag );
+ trackingGlobals->m_currentTarget->OnLeave();
trackingGlobals->m_currentTarget = NULL;
- trackingGlobals->m_currentTargetWindow = NULL ;
+ trackingGlobals->m_currentTargetWindow = NULL;
}
}
+
if ( win )
{
// this window is entered
- trackingGlobals->m_currentTargetWindow = win ;
- trackingGlobals->m_currentTarget = win->GetDropTarget() ;
+ 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 ( 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 ) ;
+ 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 )
+ if ( trackingGlobals->m_currentTarget )
{
- trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ;
- trackingGlobals->m_currentTarget->OnDragOver(
- localx , localy , result ) ;
+ 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 ) == FALSE )
+ if ( trackingGlobals->m_currentSource && !trackingGlobals->m_currentSource->GiveFeedback( result ) )
{
- if ( trackingGlobals->m_currentSource->MacInstallDefaultCursor( result ) == FALSE )
+ if ( !trackingGlobals->m_currentSource->MacInstallDefaultCursor( result ) )
{
- switch( result )
+ switch ( result )
{
- case wxDragCopy :
+ case wxDragCopy:
{
- wxCursor cursor(wxCURSOR_COPY_ARROW) ;
- cursor.MacInstall() ;
+ wxCursor cursor(wxCURSOR_COPY_ARROW);
+ cursor.MacInstall();
}
- break ;
- case wxDragMove :
+ break;
+
+ case wxDragMove:
{
- wxCursor cursor(wxCURSOR_ARROW) ;
- cursor.MacInstall() ;
+ wxCursor cursor(wxCURSOR_ARROW);
+ cursor.MacInstall();
}
- break ;
- case wxDragNone :
+ break;
+
+ case wxDragNone:
{
- wxCursor cursor(wxCURSOR_NO_ENTRY) ;
- cursor.MacInstall() ;
+ wxCursor cursor(wxCURSOR_NO_ENTRY);
+ cursor.MacInstall();
}
- break ;
+ break;
case wxDragError:
case wxDragLink:
case wxDragCancel:
+ default:
// put these here to make gcc happy
;
}
- }
+ }
}
-
- }
- // MyTrackItemUnderMouse(localMouse, theWindow);
+ }
break;
+
case kDragTrackingLeaveWindow:
- if (trackingGlobals->m_currentTarget)
+ 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_currentTarget->SetCurrentDrag( theDrag );
+ trackingGlobals->m_currentTarget->OnLeave();
+ HideDragHilite( theDrag );
+ trackingGlobals->m_currentTarget = NULL;
}
- trackingGlobals->m_currentTargetWindow = NULL ;
+ trackingGlobals->m_currentTargetWindow = NULL;
+ break;
+
+ default:
break;
}
- return(noErr);
+
+ return noErr;
}
-pascal OSErr wxMacWindowDragReceiveHandler(WindowPtr theWindow,
- void *handlerRefCon,
- DragReference theDrag)
-{
- MacTrackingGlobals* trackingGlobals = (MacTrackingGlobals*) handlerRefCon;
+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);
+ 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
+ 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 ) )
+ trackingGlobals->m_currentTargetWindow->MacRootWindowToWindow( &localx, &localy );
+ if ( trackingGlobals->m_currentTarget->OnDrop( localx, localy ) )
{
- bool optionDown = GetCurrentKeyModifiers() & optionKey ;
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
- trackingGlobals->m_currentTarget->OnData( localx , localy , result ) ;
+ trackingGlobals->m_currentTarget->OnData( localx, localy, result );
}
}
- return(noErr);
+
+ return noErr;
}
+
#endif
projects / wxWidgets.git / blobdiff