// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
-// RCS-ID: $Id: dnd.cpp 61724 2009-08-21 10:41:26Z VZ $
+// RCS-ID: $Id$
// Copyright: (c) 1998 Stefan Csomor
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
+#ifndef WX_PRECOMP
+#include "wx/object.h"
+#endif
+
#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
#ifndef WX_PRECOMP
#include "wx/app.h"
- #include "wx/evtloop.h"
#include "wx/toplevel.h"
#include "wx/gdicmn.h"
#include "wx/wx.h"
#endif // WX_PRECOMP
-#include <AppKit/AppKit.h>
+#include "wx/evtloop.h"
+
#include "wx/osx/private.h"
+wxDropSource* gCurrentSource = NULL;
+
wxDragResult NSDragOperationToWxDragResult(NSDragOperation code)
{
switch (code)
{
+ case NSDragOperationGeneric:
+ return wxDragCopy;
case NSDragOperationCopy:
return wxDragCopy;
case NSDragOperationMove:
default:
wxFAIL_MSG("Unexpected result code");
}
+ return wxDragNone;
}
@interface DropSourceDelegate : NSObject
- (void)setImplementation: (wxDropSource *)dropSource;
- (BOOL)finished;
- (NSDragOperation)code;
+- (void)draggedImage:(NSImage *)anImage movedTo:(NSPoint)aPoint;
- (void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation;
@end
- (id)init
{
- [super init];
+ self = [super init];
dragFinished = NO;
resultCode = NSDragOperationNone;
impl = 0;
return resultCode;
}
+- (void)draggedImage:(NSImage *)anImage movedTo:(NSPoint)aPoint
+{
+ wxUnusedVar( anImage );
+ wxUnusedVar( aPoint );
+
+ bool optionDown = GetCurrentKeyModifiers() & optionKey;
+ wxDragResult result = optionDown ? wxDragCopy : wxDragMove;
+
+ if (wxDropSource* source = impl)
+ {
+ if (!source->GiveFeedback(result))
+ {
+ wxStockCursor 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)
+ {
+ // TODO under 10.6 the os itself deals with the cursor, remove if things
+ // work properly everywhere
+#if 0
+ wxCursor cursor( cursorID );
+ cursor.MacInstall();
+#endif
+ }
+ }
+ }
+}
+
- (void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation
{
+ wxUnusedVar( anImage );
+ wxUnusedVar( aPoint );
+
resultCode = operation;
dragFinished = YES;
}
}
-bool wxDropTarget::CurrentDragHasSupportedFormat()
-{
- if (m_dataObject == NULL)
- return false;
-
- return m_dataObject->HasDataInPasteboard( m_currentDragPasteboard );
-}
-
-bool wxDropTarget::GetData()
-{
- if (m_dataObject == NULL)
- return false;
-
- if ( !CurrentDragHasSupportedFormat() )
- return false;
-
- return m_dataObject->GetFromPasteboard( m_currentDragPasteboard );
-}
-
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
m_window = win;
}
-wxDragResult wxDropSource::DoDragDrop(int flags)
+wxDropSource* wxDropSource::GetCurrentDropSource()
+{
+ return gCurrentSource;
+}
+
+wxDragResult wxDropSource::DoDragDrop(int WXUNUSED(flags))
{
wxASSERT_MSG( m_data, wxT("Drop source: no data") );
NSEvent* theEvent = (NSEvent*)wxTheApp->MacGetCurrentEvent();
wxASSERT_MSG(theEvent, "DoDragDrop must be called in response to a mouse down or drag event.");
+
+ NSPoint down = [theEvent locationInWindow];
+ NSPoint p = [view convertPoint:down fromView:nil];
+
+ gCurrentSource = this;
+
+ // add a dummy square as dragged image for the moment,
+ // TODO: proper drag image for data
+ NSSize sz = NSMakeSize(16,16);
+ NSRect fillRect = NSMakeRect(0, 0, 16, 16);
+ NSImage* image = [[NSImage alloc] initWithSize: sz];
+
+ [image lockFocus];
+
+ [[[NSColor whiteColor] colorWithAlphaComponent:0.8] set];
+ NSRectFill(fillRect);
+ [[NSColor blackColor] set];
+ NSFrameRectWithWidthUsingOperation(fillRect,1.0f,NSCompositeDestinationOver);
+
+ [image unlockFocus];
+
- NSImage* image = [[NSImage alloc] initWithSize: NSMakeSize(16,16)];
DropSourceDelegate* delegate = [[DropSourceDelegate alloc] init];
[delegate setImplementation: this];
- [view dragImage:image at:NSMakePoint(0.0, 16.0) offset:NSMakeSize(0.0,0.0)
+ [view dragImage:image at:p offset:NSMakeSize(0.0,0.0)
event: theEvent pasteboard: pboard source:delegate slideBack: NO];
wxEventLoopBase * const loop = wxEventLoop::GetActive();
result = NSDragOperationToWxDragResult([delegate code]);
[delegate release];
[image release];
+
+ wxWindow* mouseUpTarget = wxWindow::GetCapture();
+
+ if ( mouseUpTarget == NULL )
+ {
+ mouseUpTarget = m_window;
+ }
+
+ if ( mouseUpTarget != NULL )
+ {
+ wxMouseEvent wxevent(wxEVT_LEFT_DOWN);
+ ((wxWidgetCocoaImpl*)mouseUpTarget->GetPeer())->SetupMouseEvent(wxevent , theEvent) ;
+ wxevent.SetEventType(wxEVT_LEFT_UP);
+
+ mouseUpTarget->HandleWindowEvent(wxevent);
+ }
+
+ gCurrentSource = NULL;
}