X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f2af4afb8269a5ca583278a7d7139bb8f1321535..a4f4d548ce0d3533fe9e84d812643cc7c21dd580:/src/mac/carbon/dnd.cpp diff --git a/src/mac/carbon/dnd.cpp b/src/mac/carbon/dnd.cpp index 5369a1cf34..49e61ac109 100644 --- a/src/mac/carbon/dnd.cpp +++ b/src/mac/carbon/dnd.cpp @@ -1,19 +1,15 @@ /////////////////////////////////////////////////////////////////////////////// // Name: dnd.cpp // Purpose: wxDropTarget, wxDropSource, wxDataObject implementation -// Author: AUTHOR +// 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/defs.h" +#include "wx/wxprec.h" #if wxUSE_DRAG_AND_DROP @@ -24,6 +20,10 @@ #include "wx/gdicmn.h" #include "wx/mac/private.h" +#ifndef __DARWIN__ + #include +#endif + // ---------------------------------------------------------------------------- // global // ---------------------------------------------------------------------------- @@ -82,47 +82,47 @@ bool wxDropTarget::CurrentDragHasSupportedFormat() 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++) + wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject() ; + + if ( data ) { - wxDataFormat format = array[i] ; - if ( m_dataObject->IsSupported( format ) ) + size_t formatcount = data->GetFormatCount() ; + wxDataFormat *array = new wxDataFormat[ formatcount ]; + data->GetAllFormats( array ); + for (size_t i = 0; !supported && i < formatcount ; i++) { - supported = true ; - break ; + wxDataFormat format = array[i] ; + if ( m_dataObject->IsSupported( format ) ) + { + supported = true ; + break ; + } } + delete[] array ; } - delete[] array ; - } } if ( !supported ) { - 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 ; - 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 ) ) ) + 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 ; + GetDragItemReferenceNumber((DragReference)m_currentDrag, index, &theItem); + CountDragItemFlavors( (DragReference)m_currentDrag, theItem , &flavors ) ; + for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor ) { - supported = true ; - break ; + result = GetFlavorType((DragReference)m_currentDrag, theItem, flavor , &theType); + if ( m_dataObject->IsSupportedFormat( wxDataFormat( theType ) ) ) + { + supported = true ; + break ; + } } - } - } + } } return supported ; } @@ -131,98 +131,134 @@ bool wxDropTarget::GetData() { if (!m_dataObject) return FALSE; - + if ( !CurrentDragHasSupportedFormat() ) 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 ]; - data->GetAllFormats( array ); - for (size_t i = 0; !transferred && i < formatcount ; i++) + wxDataObject* data = gTrackingGlobals.m_currentSource->GetDataObject() ; + + if ( data ) { - wxDataFormat format = array[i] ; - if ( m_dataObject->IsSupported( format ) ) + size_t formatcount = data->GetFormatCount() ; + wxDataFormat *array = new wxDataFormat[ formatcount ]; + data->GetAllFormats( array ); + for (size_t i = 0; !transferred && i < formatcount ; i++) { - 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 ; - } + 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 ; - } + delete[] array ; + } } if ( !transferred ) { - UInt16 items ; - OSErr result; - 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 ) ; - for ( UInt16 flavor = 1 ; flavor <= flavors ; ++flavor ) - { - result = GetFlavorType((DragReference)m_currentDrag, theItem, flavor , &theType); - wxDataFormat format(theType) ; - if ( m_dataObject->IsSupportedFormat( format ) ) + UInt16 items ; + OSErr result; + 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 ) { - FlavorFlags theFlags; - result = GetFlavorFlags((DragReference)m_currentDrag, theItem, theType, &theFlags); - if (result == noErr) - { - Size dataSize ; - Ptr theData ; - GetFlavorDataSize((DragReference)m_currentDrag, theItem, theType, &dataSize); - if ( theType == 'TEXT' ) - dataSize++ ; - theData = new char[dataSize]; - GetFlavorData((DragReference)m_currentDrag, theItem, theType, (void*) theData, &dataSize, 0L); - if( theType == 'TEXT' ) - { - theData[dataSize]=0 ; - if ( wxApp::s_macDefaultEncodingIsPC ) + 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 ))) + { + FlavorFlags theFlags; + result = GetFlavorFlags((DragReference)m_currentDrag, theItem, theType, &theFlags); + if (result == noErr) { - wxMacConvertToPC((char*)theData) ; + 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++ ; + } + 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 ); + } + #endif + else if ( theType == kDragFlavorTypeHFS ) + { + HFSFlavor* theFile = (HFSFlavor*) theData ; + wxString name = wxMacFSSpec2MacFilename( &theFile->fileSpec ) ; + if ( !firstFileAdded ) + { + // reset file list + ((wxFileDataObject*)m_dataObject)->SetData( 0 , "" ) ; + firstFileAdded = true ; + } + ((wxFileDataObject*)m_dataObject)->AddFile( name ) ; + } + else + { + m_dataObject->SetData( format, dataSize, theData ); + } + delete[] theData; } - m_dataObject->SetData( format, dataSize, theData ); - } - else if ( theType == kDragFlavorTypeHFS ) - { - HFSFlavor* theFile = (HFSFlavor*) theData ; - wxString name = wxMacFSSpec2MacFilename( &theFile->fileSpec ) ; - ((wxFileDataObject*)m_dataObject)->AddFile( name ) ; - } - else - { - m_dataObject->SetData( format, dataSize, theData ); - } - delete[] theData; - } - break ; + break ; + } } - } - } + } } return TRUE ; } @@ -235,9 +271,10 @@ bool wxDropTarget::GetData() // drag request wxDropSource::wxDropSource(wxWindow *win, - const wxIcon &iconCopy, - const wxIcon &iconMove, - const wxIcon &iconNone) + const wxCursor &cursorCopy, + const wxCursor &cursorMove, + const wxCursor &cursorStop) + : wxDropSourceBase(cursorCopy, cursorMove, cursorStop) { wxMacEnsureTrackingHandlersInstalled() ; m_window = win; @@ -245,9 +282,10 @@ wxDropSource::wxDropSource(wxWindow *win, wxDropSource::wxDropSource(wxDataObject& data, wxWindow *win, - const wxIcon &iconCopy, - const wxIcon &iconMove, - const wxIcon &iconNone) + const wxCursor &cursorCopy, + const wxCursor &cursorMove, + const wxCursor &cursorStop) + : wxDropSourceBase(cursorCopy, cursorMove, cursorStop) { wxMacEnsureTrackingHandlersInstalled() ; SetData( data ); @@ -259,16 +297,16 @@ wxDropSource::~wxDropSource() } -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; @@ -287,47 +325,51 @@ wxDragResult wxDropSource::DoDragDrop(int WXUNUSED(flags)) 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 ( wxApp::s_macDefaultEncodingIsPC ) - { - wxMacConvertFromPC((char*)dataPtr) ; - } - AddDragItemFlavor(theDrag, theItem, type , dataPtr, dataSize, 0); + 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( dataPtr , &theFlavor.fileSpec ) ; - - 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); - } + HFSFlavor theFlavor ; + OSErr err = noErr; + CInfoPBRec cat; + + wxMacFilename2FSSpec( wxString( dataPtr , *wxConvCurrent ) , &theFlavor.fileSpec ) ; + + 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); + AddDragItemFlavor(theDrag, theItem, type , dataPtr, dataSize, 0); } delete[] dataPtr ; } @@ -336,33 +378,62 @@ wxDragResult wxDropSource::DoDragDrop(int WXUNUSED(flags)) dragRegion = NewRgn(); RgnHandle tempRgn = NewRgn() ; - EventRecord* ev = (EventRecord*) wxTheApp->MacGetCurrentEvent() ; + 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 ) ; - + 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 ) ; - + 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() ; - return wxDragCopy ; + return TRUE; + } + else + { + return FALSE; + } } bool gTrackingGlobalsInstalled = false ; @@ -398,6 +469,10 @@ pascal OSErr wxMacWindowDragTrackingHandler(DragTrackingMessage theMessage, Wind DragAttributes attributes; GetDragAttributes(theDrag, &attributes); wxTopLevelWindowMac* toplevel = wxFindWinFromMacWindow( theWindow ) ; + + bool optionDown = GetCurrentKeyModifiers() & optionKey ; + wxDragResult result = optionDown ? wxDragCopy : wxDragMove; + switch(theMessage) { case kDragTrackingEnterHandler: @@ -405,7 +480,7 @@ pascal OSErr wxMacWindowDragTrackingHandler(DragTrackingMessage theMessage, Wind case kDragTrackingLeaveHandler: break; case kDragTrackingEnterWindow: - trackingGlobals->m_currentTargetWindow = NULL ; + trackingGlobals->m_currentTargetWindow = NULL ; trackingGlobals->m_currentTarget = NULL ; break; case kDragTrackingInWindow: @@ -415,16 +490,23 @@ pascal OSErr wxMacWindowDragTrackingHandler(DragTrackingMessage theMessage, Wind GetDragMouse(theDrag, &mouse, 0L); localMouse = mouse; GlobalToLocal(&localMouse); + + -// if (attributes & kDragHasLeftSenderWindow) { - wxPoint point(localMouse.h , localMouse.v) ; wxWindow *win = NULL ; - toplevel->MacGetWindowFromPointSub( point , &win ) ; + 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 ; - //TODO : should we use client coordinates + if ( win ) win->MacRootWindowToWindow( &localx , &localy ) ; if ( win != trackingGlobals->m_currentTargetWindow ) @@ -446,19 +528,26 @@ pascal OSErr wxMacWindowDragTrackingHandler(DragTrackingMessage theMessage, Wind // this window is entered trackingGlobals->m_currentTargetWindow = win ; trackingGlobals->m_currentTarget = win->GetDropTarget() ; - if ( trackingGlobals->m_currentTarget ) { - trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ; - if ( trackingGlobals->m_currentTarget->OnEnter( - localx , localy , wxDragCopy ) != wxDragNone ) + + 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() ; - SetRectRgn( hiliteRgn , x , y , x+win->GetSize().x ,y+win->GetSize().y) ; - 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 ) ; } } } @@ -469,12 +558,46 @@ pascal OSErr wxMacWindowDragTrackingHandler(DragTrackingMessage theMessage, Wind { trackingGlobals->m_currentTarget->SetCurrentDrag( theDrag ) ; trackingGlobals->m_currentTarget->OnDragOver( - localx , localy , wxDragCopy ) ; + localx , localy , result ) ; } } + + // set cursor for OnEnter and OnDragOver + if ( trackingGlobals->m_currentSource && trackingGlobals->m_currentSource->GiveFeedback( result ) == FALSE ) + { + if ( trackingGlobals->m_currentSource->MacInstallDefaultCursor( result ) == FALSE ) + { + switch( result ) + { + case wxDragCopy : + { + wxCursor cursor(wxCURSOR_COPY_ARROW) ; + cursor.MacInstall() ; + } + break ; + case wxDragMove : + { + wxCursor cursor(wxCURSOR_ARROW) ; + cursor.MacInstall() ; + } + break ; + case wxDragNone : + { + wxCursor cursor(wxCURSOR_NO_ENTRY) ; + cursor.MacInstall() ; + } + break ; + + case wxDragError: + case wxDragLink: + case wxDragCancel: + // put these here to make gcc happy + ; + } + } + } - } - // MyTrackItemUnderMouse(localMouse, theWindow); + } break; case kDragTrackingLeaveWindow: if (trackingGlobals->m_currentTarget) @@ -511,7 +634,9 @@ pascal OSErr wxMacWindowDragReceiveHandler(WindowPtr theWindow, trackingGlobals->m_currentTargetWindow->MacRootWindowToWindow( &localx , &localy ) ; if ( trackingGlobals->m_currentTarget->OnDrop( localx , localy ) ) { - trackingGlobals->m_currentTarget->OnData( localx , localy , wxDragCopy ) ; + bool optionDown = GetCurrentKeyModifiers() & optionKey ; + wxDragResult result = optionDown ? wxDragCopy : wxDragMove; + trackingGlobals->m_currentTarget->OnData( localx , localy , result ) ; } } return(noErr);