// exists only for optimization purposes.
bool IsCommandEvent() const { return m_isCommandEvent; }
- // specialized clone function since it is done a lot
- virtual wxEvent *Clone() const { return new wxEvent(*this); }
+ // this function is used to create a copy of the event polymorphically and
+ // all derived classes must implement it because otherwise wxPostEvent()
+ // for them wouldn't work (it needs to do a copy of the event)
+ virtual wxEvent *Clone() const = 0;
public:
wxObject* m_eventObject;
public:
int m_noFiles;
wxPoint m_pos;
- wxString* m_files; // Memory (de)allocated by code calling ProcessEvent
+ wxString* m_files;
wxDropFilesEvent(wxEventType type = wxEVT_NULL,
int noFiles = 0,
wxString *files = (wxString *) NULL)
{ m_eventType = type; m_noFiles = noFiles; m_files = files; }
+ // we need a copy ctor to avoid deleting m_files pointer twice
+ wxDropFilesEvent(const wxDropFilesEvent& other)
+ : m_pos(other.m_pos)
+ {
+ m_noFiles = other.m_noFiles;
+ m_files = new wxString[m_noFiles];
+ for ( int n = 0; n < m_noFiles; n++ )
+ {
+ m_files[n] = other.m_files[n];
+ }
+ }
+
+ virtual ~wxDropFilesEvent()
+ {
+ delete [] m_files;
+ }
+
wxPoint GetPosition() const { return m_pos; }
int GetNumberOfFiles() const { return m_noFiles; }
wxString *GetFiles() const { return m_files; }
- virtual wxEvent *Clone() const { wxFAIL_MSG("error"); return NULL; }
+ virtual wxEvent *Clone() const { return new wxDropFilesEvent(*this); }
private:
DECLARE_DYNAMIC_CLASS(wxDropFilesEvent)