///////////////////////////////////////////////////////////////////////////////
// Name: dnd.cpp
-// Purpose: wxDropTarget, wxDropSource, wxDataObject implementation
+// Purpose: wxDropTarget, wxDropSource implementations
// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dnd.h"
-#endif
-
-#include "wx/defs.h"
+#include "wx/wxprec.h"
#if wxUSE_DRAG_AND_DROP
#endif
// ----------------------------------------------------------------------------
-// global
+// globals
// ----------------------------------------------------------------------------
-void wxMacEnsureTrackingHandlersInstalled() ;
-
-typedef struct
+typedef struct
{
wxWindow* m_currentTargetWindow ;
wxDropTarget* m_currentTarget ;
wxDropSource* m_currentSource ;
-} MacTrackingGlobals ;
+}
+MacTrackingGlobals ;
+
+MacTrackingGlobals gTrackingGlobals ;
-MacTrackingGlobals gTrackingGlobals ;
+void wxMacEnsureTrackingHandlersInstalled() ;
//----------------------------------------------------------------------------
// wxDropTarget
wxCoord WXUNUSED(y),
wxDragResult def )
{
-
return CurrentDragHasSupportedFormat() ? def : wxDragNone;
}
bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
{
if (!m_dataObject)
- return FALSE;
+ return false;
return CurrentDragHasSupportedFormat() ;
}
return GetData() ? def : wxDragNone;
}
-bool wxDropTarget::CurrentDragHasSupportedFormat()
+bool wxDropTarget::CurrentDragHasSupportedFormat()
{
bool supported = false ;
if ( gTrackingGlobals.m_currentSource != NULL )
{
wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject() ;
-
+
if ( data )
{
size_t formatcount = data->GetFormatCount() ;
for (size_t i = 0; !supported && i < formatcount ; i++)
{
wxDataFormat format = array[i] ;
- if ( m_dataObject->IsSupported( format ) )
+ if ( m_dataObject->IsSupported( format ) )
{
supported = true ;
break ;
}
}
- delete[] array ;
+
+ 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 == false ; ++index)
+ for (UInt16 index = 1; index <= items && !supported ; ++index)
{
- ItemReference theItem;
- FlavorType theType ;
- UInt16 flavors = 0 ;
+ 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);
}
}
}
- return supported ;
+
+ return supported ;
}
bool wxDropTarget::GetData()
{
if (!m_dataObject)
- return FALSE;
-
+ 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 )
{
size_t formatcount = data->GetFormatCount() ;
- wxDataFormat *array = new wxDataFormat[ formatcount ];
+ 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 ) )
+ if ( m_dataObject->IsSupported( format ) )
{
int size = data->GetDataSize( format );
transferred = true ;
-
- if (size == 0)
+
+ if (size == 0)
{
m_dataObject->SetData(format , 0 , 0 ) ;
}
char *d = new char[size];
data->GetDataHere( format , (void*) d );
m_dataObject->SetData( format , size , d ) ;
- delete[] d ;
+ delete [] d ;
}
}
}
- delete[] array ;
+
+ delete [] array ;
}
}
+
if ( !transferred )
{
UInt16 items ;
OSErr result;
+ ItemReference theItem;
+ FlavorType theType ;
+ FlavorFlags theFlags;
+ UInt16 flavors ;
bool firstFileAdded = false ;
+
CountDragItems((DragReference)m_currentDrag, &items);
- for (UInt16 index = 1; index <= items; ++index)
+ for (UInt16 index = 1; index <= items; ++index)
{
- ItemReference theItem;
- FlavorType theType ;
- UInt16 flavors = 0 ;
+ 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 )
{
result = GetFlavorType((DragReference)m_currentDrag, theItem, flavor , &theType);
wxDataFormat format(theType) ;
- if ( m_dataObject->IsSupportedFormat( format ) )
+ 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 )))
{
- FlavorFlags theFlags;
result = GetFlavorFlags((DragReference)m_currentDrag, theItem, theType, &theFlags);
- if (result == noErr)
+ if (result == noErr)
{
Size dataSize ;
Ptr theData ;
+
GetFlavorDataSize((DragReference)m_currentDrag, theItem, theType, &dataSize);
if ( theType == kScrapFlavorTypeText )
{
dataSize++ ;
dataSize++ ;
}
+
theData = new char[dataSize];
- GetFlavorData((DragReference)m_currentDrag, theItem, theType, (void*) theData, &dataSize, 0L);
- if( theType == kScrapFlavorTypeText )
+ GetFlavorData((DragReference)m_currentDrag, theItem, theType, (void*) theData, &dataSize, 0L);
+ if ( theType == kScrapFlavorTypeText )
{
- theData[dataSize]=0 ;
+ 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 ;
+ theData[dataSize] = 0 ;
+ theData[dataSize + 1] = 0 ;
m_dataObject->SetData( wxDataFormat(wxDF_UNICODETEXT), dataSize , theData );
}
#endif
{
// reset file list
((wxFileDataObject*)m_dataObject)->SetData( 0 , "" ) ;
- firstFileAdded = true ;
+ firstFileAdded = true ;
}
+
((wxFileDataObject*)m_dataObject)->AddFile( name ) ;
}
else
{
m_dataObject->SetData( format, dataSize, theData );
}
- delete[] theData;
+
+ delete [] theData;
}
break ;
}
}
}
}
- return TRUE ;
+
+ return true ;
}
//-------------------------------------------------------------------------
{
}
-
-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;
DragReference theDrag;
RgnHandle dragRegion;
- if ((result = NewDrag(&theDrag)))
- {
+ 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' )
+ if ( type == 'TEXT' || type == 'utxt' )
{
- dataSize-- ;
+ if ( dataSize > 0 )
+ dataSize-- ;
dataPtr[ dataSize ] = 0 ;
- wxString st( (wxChar*) dataPtr ) ;
- wxCharBuffer buf = st.mb_str( wxConvLocal) ;
- AddDragItemFlavor(theDrag, theItem, type , buf.data(), strlen(buf), 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( dataPtr , &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 )
+ 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 ;
+
#if !TARGET_CARBON // TODO
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 ,
+
+ SetRectRgn(
+ dragRegion , ev->where.h - dragRegionOuterBoundary ,
ev->where.v - dragRegionOuterBoundary ,
- ev->where.h + dragRegionOuterBoundary ,
+ ev->where.h + dragRegionOuterBoundary ,
ev->where.v + dragRegionOuterBoundary ) ;
-
- SetRectRgn( tempRgn , ev->where.h - dragRegionInnerBoundary ,
+
+ SetRectRgn(
+ tempRgn , ev->where.h - dragRegionInnerBoundary ,
ev->where.v - dragRegionInnerBoundary ,
- ev->where.h + dragRegionInnerBoundary ,
+ ev->where.h + dragRegionInnerBoundary ,
ev->where.v + dragRegionInnerBoundary ) ;
-
+
DiffRgn( dragRegion , tempRgn , dragRegion ) ;
- DisposeRgn( tempRgn ) ;
-
+ 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 ;
-
- KeyMap keymap;
- GetKeys(keymap);
- bool optionDown = keymap[1] & 4;
- wxDragResult dndresult = optionDown ? wxDragCopy : wxDragMove;
+
+ 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() )
- {
+ bool result = cursor.Ok();
+
+ if ( result )
cursor.MacInstall() ;
- return TRUE;
- }
- else
- {
- return FALSE;
- }
+ 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) ;
+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;
result = InstallTrackingHandler(NewDragTrackingHandlerUPP(wxMacWindowDragTrackingHandler), 0L,&gTrackingGlobals);
wxASSERT( result == noErr ) ;
+
result = InstallReceiveHandler(NewDragReceiveHandlerUPP(wxMacWindowDragReceiveHandler), 0L, &gTrackingGlobals);
wxASSERT( result == noErr ) ;
}
}
-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 ) ;
+ wxTopLevelWindowMac* toplevel = wxFindWinFromMacWindow( theWindow ) ;
- KeyMap keymap;
- GetKeys(keymap);
- bool optionDown = keymap[1] & 4;
+ 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 ;
break;
+
case kDragTrackingInWindow:
if (toplevel == NULL)
break;
localMouse = mouse;
GlobalToLocal(&localMouse);
-
-
-// if (attributes & kDragHasLeftSenderWindow)
{
- wxPoint point(localMouse.h , localMouse.v) ;
wxWindow *win = NULL ;
ControlPartCode controlPart ;
- ControlRef control = wxMacFindControlUnderMouse( localMouse ,
+ ControlRef control = wxMacFindControlUnderMouse(
+ toplevel , localMouse ,
theWindow , &controlPart ) ;
if ( control )
win = wxFindControlFromMacControl( control ) ;
- // TODO toplevel->MacGetWindowFromPointSub( point , &win ) ;
+ else
+ win = toplevel ;
+
int localx , localy ;
localx = localMouse.h ;
localy = localMouse.v ;
- //TODO : should we use client coordinates
+
if ( win )
win->MacRootWindowToWindow( &localx , &localy ) ;
if ( win != trackingGlobals->m_currentTargetWindow )
// this window is left
if ( trackingGlobals->m_currentTarget )
{
- HideDragHilite(theDrag);
+ 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 ( 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 } ;
+ 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->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 :
{
cursor.MacInstall() ;
}
break ;
+
case wxDragMove :
{
wxCursor cursor(wxCURSOR_ARROW) ;
cursor.MacInstall() ;
}
break ;
+
case wxDragNone :
{
wxCursor cursor(wxCURSOR_NO_ENTRY) ;
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->m_currentTarget)
{
trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ;
trackingGlobals->m_currentTarget->OnLeave() ;
}
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 ;
-
+ 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
+
+ // TODO : should we use client coordinates?
if ( trackingGlobals->m_currentTargetWindow )
trackingGlobals->m_currentTargetWindow->MacRootWindowToWindow( &localx , &localy ) ;
if ( trackingGlobals->m_currentTarget->OnDrop( localx , localy ) )
{
- KeyMap keymap;
- GetKeys(keymap);
- bool optionDown = keymap[1] & 4;
+ bool optionDown = GetCurrentKeyModifiers() & optionKey ;
wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
trackingGlobals->m_currentTarget->OnData( localx , localy , result ) ;
}
}
- return(noErr);
+
+ return noErr;
}
+
#endif
projects / wxWidgets.git / blobdiff