// Name: dnd.h
// Purpose: interface of wxDropSource and wx*DropTarget
// Author: wxWidgets team
-// RCS-ID: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
wxDrag_DefaultMove = 3 ///< Allow moving and make it default operation.
};
-/**
- @class wxTextDropTarget
-
- A predefined drop target for dealing with text data.
-
- @library{wxcore}
- @category{dnd}
-
- @see @ref overview_dnd, wxDropSource, wxDropTarget, wxFileDropTarget
-*/
-class wxTextDropTarget : public wxDropTarget
-{
-public:
- /**
- Constructor.
- */
- wxTextDropTarget();
-
- /**
- See wxDropTarget::OnDrop(). This function is implemented appropriately
- for text, and calls OnDropText().
- */
- virtual bool OnDrop(wxCoord x, wxCoord y);
-
- /**
- Override this function to receive dropped text.
-
- @param x
- The x coordinate of the mouse.
- @param y
- The y coordinate of the mouse.
- @param data
- The data being dropped: a wxString.
-
- Return @true to accept the data, or @false to veto the operation.
- */
- virtual bool OnDropText(wxCoord x, wxCoord y, const wxString& data) = 0;
-};
-
-
-
/**
Result returned from a wxDropSource::DoDragDrop() call.
*/
wxDragCancel ///< The operation was cancelled by user (not an error).
};
+
+
/**
@class wxDropTarget
associated with this drop target, calling its wxDataObject::SetData()
method.
*/
- virtual bool GetData() = 0;
+ virtual bool GetData();
/**
Called after OnDrop() returns @true. By default this will usually
- GetData() and will return the suggested default value @a def.
+ GetData() and will return the suggested default value @a defResult.
*/
- virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def) = 0;
+ virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult defResult) = 0;
/**
Called when the mouse is being dragged over the drop target. By
- default, this calls functions return the suggested return value @a def.
+ default, this calls functions return the suggested return value @a defResult.
@param x
The x coordinate of the mouse.
@param y
The y coordinate of the mouse.
- @param def
+ @param defResult
Suggested value for return value. Determined by SHIFT or CONTROL
key states.
feedback from the side of the drop source, typically in form
of changing the icon.
*/
- virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
+ virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult defResult);
/**
Called when the user drops a data object on the target. Return @false
@return @true to accept the data, or @false to veto the operation.
*/
- virtual bool OnDrop(wxCoord x, wxCoord y) = 0;
+ virtual bool OnDrop(wxCoord x, wxCoord y);
/**
Called when the mouse enters the drop target. By default, this calls
The x coordinate of the mouse.
@param y
The y coordinate of the mouse.
- @param def
+ @param defResult
Suggested default for return value. Determined by SHIFT or CONTROL
key states.
feedback from the side of the drop source, typically in form
of changing the icon.
*/
- virtual wxDragResult OnEnter(wxCoord x, wxCoord y, wxDragResult def);
+ virtual wxDragResult OnEnter(wxCoord x, wxCoord y, wxDragResult defResult);
/**
Called when the mouse leaves the drop target.
*/
virtual void OnLeave();
+ /**
+ Returns the data wxDataObject associated with the drop target
+ */
+ wxDataObject *GetDataObject() const;
+
/**
Sets the data wxDataObject associated with the drop target and deletes
any previously associated data object.
*/
void SetDataObject(wxDataObject* data);
+
+
+ /**
+ Sets the default action for drag and drop. Use wxDragMove or
+ wxDragCopy to set deafult action to move or copy and use wxDragNone
+ (default) to set default action specified by initialization of draging
+ (see wxDropSource::DoDragDrop())
+ */
+ void SetDefaultAction(wxDragResult action);
+
+ /**
+ Returns default action for drag and drop or wxDragNone if this not
+ specified.
+ */
+ wxDragResult GetDefaultAction();
+
};
@param res
The drag result to set the icon for.
@param cursor
- The ion to show when this drag result occurs.
+ The icon to show when this drag result occurs.
+
+ @onlyfor{wxmsw,wxosx}
*/
void SetCursor(wxDragResult res, const wxCursor& cursor);
+ /**
+ Set the icon to use for a certain drag result.
+
+ @param res
+ The drag result to set the icon for.
+ @param icon
+ The icon to show when this drag result occurs.
+
+ @onlyfor{wxgtk}
+ */
+ void SetIcon(wxDragResult res, const wxIcon& icon);
+
/**
Sets the data wxDataObject associated with the drop source. This will
not delete any previously associated data.
+/**
+ @class wxTextDropTarget
+
+ A predefined drop target for dealing with text data.
+
+ @library{wxcore}
+ @category{dnd}
+
+ @see @ref overview_dnd, wxDropSource, wxDropTarget, wxFileDropTarget
+*/
+class wxTextDropTarget : public wxDropTarget
+{
+public:
+ /**
+ Constructor.
+ */
+ wxTextDropTarget();
+
+ /**
+ See wxDropTarget::OnDrop(). This function is implemented appropriately
+ for text, and calls OnDropText().
+ */
+ virtual bool OnDrop(wxCoord x, wxCoord y);
+
+ /**
+ Override this function to receive dropped text.
+
+ @param x
+ The x coordinate of the mouse.
+ @param y
+ The y coordinate of the mouse.
+ @param data
+ The data being dropped: a wxString.
+
+ Return @true to accept the data, or @false to veto the operation.
+ */
+ virtual bool OnDropText(wxCoord x, wxCoord y, const wxString& data) = 0;
+};
+
+
/**
@class wxFileDropTarget
*/
#define wxDROP_ICON(name)
+/**
+ Returns true if res indicates that something was done during a DnD operation,
+ i.e. is neither error nor none nor cancel.
+*/
+bool wxIsDragResultOk(wxDragResult res);
+
//@}
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