Hi,
I do not see these functions in your drawing class, so why are they there? Maybe not the issue but
strange.
EVT_IDLE( MyDrawing::OnIdle )
EVT_COM_EVENT( MyDrawing::OnComEvent )
EVT_NEW_CAMELEON( MyDrawing::OnAddCameleon )
EVT_UNDO( MyDrawing::OnUndoEvent )
EVT_REDO( MyDrawing::OnRedoEvent )
EVT_CHANGEDMODIFY_DRAWING( MyDrawing::OnChangeDrawings )
For the rest I see nothing wrong.
How do you set this drawing to the canvas?
If you do not do your extra stuff, is it functioning as before?
Meaning with the normal a2dDrawing, it behaves correctly, if nothing extra done in you drawing
class, it should behave the same.
I do not push event handlers, but do connect dynamic events .
So no idea what is causing the error you get.
Regards,
Klaas
On 11/04/2016 06:33 PM, Mike Gibson wrote:
Hello,
I have my own class derived from an a2dDrawing that is giving me some issues that appear to be
caused by invalid memory access. I've created my own class so that I can handle some
a2dCanvasObject editing events. When an object is edited via mouse on the canvas, I record the
changes in a wxPropertyGrid. However, the editing on the canvas can get glitchy (the shape, while
being edited can jump around), and I've found that after I'm done editing and return to my
program's main UI, that various elements can be affected (such as another unrelated property grid
will become uneditable, or I am unable to re-open my canvas editing window).
Any time this issue occurs, when I close my program, I get the following error message TWICE
(which does not appear if I do not use the editor):
Here is my a2dDrawing in the header:
class MyDrawing: public a2dDrawing
{
DECLARE_EVENT_TABLE()
public:
MyDrawing(const wxString &name=wxT(""), a2dHabitat *habitat=NULL)
: a2dDrawing(name, habitat){ m_Owner = NULL; }
void SetOwner(TDlgPhotoAreas *Owner) { m_Owner = Owner; }
MyDrawing(const a2dDrawing &other, CloneOptions options, a2dRefMap
*refs)
: a2dDrawing(other, options, refs){ m_Owner = NULL; }
~MyDrawing(){}
virtual void OnDoEvent( a2dCommandProcessorEvent &event);
private:
TDlgPhotoAreas *m_Owner;
};
and the entire cpp code for the a2dDrawing class:
BEGIN_EVENT_TABLE( MyDrawing, a2dDrawing )
EVT_IDLE( MyDrawing::OnIdle )
EVT_COM_EVENT( MyDrawing::OnComEvent )
EVT_NEW_CAMELEON( MyDrawing::OnAddCameleon )
EVT_DO( MyDrawing::OnDoEvent )
EVT_UNDO( MyDrawing::OnUndoEvent )
EVT_REDO( MyDrawing::OnRedoEvent )
EVT_CHANGEDMODIFY_DRAWING( MyDrawing::OnChangeDrawings )
END_EVENT_TABLE()
void MyDrawing::OnDoEvent( a2dCommandProcessorEvent &event)
{
a2dCommand *Command = event.GetCommand();
const a2dCommandId *ComId = Command->GetCommandId();
a2dCanvasObject *Obj =
wxDynamicCast(Command, a2dCommand_AddObject)->GetCanvasObject();
if ( ComId == &a2dCommand_SetProperty::Id)
{
if (Obj)
{
a2dRect *Rect = wxDynamicCast(Obj, a2dRect);
if (m_Owner)
m_Owner->EditRectangleFromCanvas(Rect);
}
}
if (event.GetCommand()->Modifies())
Modify(true);
}
Any idea what is causing the issue?
Thanks,
- Mike
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