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Additional assertions in several wxPGProperty methods.

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Check if property is attached to the property grid before wxPG methods are invoked. 

See #16401.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76970 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Artur Wieczorek 2014-08-01 15:19:04 +00:00
parent a07734febf
commit 965224405a
1 changed files with 29 additions and 3 deletions
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32
src/propgrid/property.cpp
View File

@ -755,6 +755,8 @@ void wxPGProperty::GetDisplayInfo( unsigned int column,
wxString* pString,
const wxPGCell** pCell )
{
wxCHECK_RET( GetGrid(),
wxT("Cannot obtain display info for detached property") );
const wxPGCell* cell = NULL;
if ( !(flags & wxPGCellRenderer::ChoicePopup) )
@ -989,8 +991,13 @@ wxString wxPGProperty::GetValueAsString( int argFlags ) const
return g_invalidStringContent;
}
#endif
wxPropertyGrid* pg = GetGrid();
wxASSERT_MSG( pg,
wxT("Cannot get valid value for detached property") );
if ( !pg )
{
return wxEmptyString;
}
if ( IsValueUnspecified() )
return pg->GetUnspecifiedValueText(argFlags);
@ -1464,6 +1471,8 @@ void wxPGProperty::SetValue( wxVariant value, wxVariant* pList, int flags )
void wxPGProperty::SetValueInEvent( wxVariant value ) const
{
wxCHECK_RET( GetGrid(),
wxT("Cannot store pending value for detached property"));
GetGrid()->ValueChangeInEvent(value);
}
@ -1639,6 +1648,8 @@ const wxPGCell& wxPGProperty::GetCell( unsigned int column ) const
return m_cells[column];
wxPropertyGrid* pg = GetGrid();
wxASSERT_MSG( pg,
wxT("Cannot get cell for detached property") );
if ( IsCategory() )
return pg->GetCategoryDefaultCell();
@ -2086,6 +2097,10 @@ bool wxPGProperty::RecreateEditor()
void wxPGProperty::SetValueImage( wxBitmap& bmp )
{
// We need PG to obtain default image size
wxCHECK_RET( GetGrid(),
wxT("Cannot set image for detached property") );
delete m_valueBitmap;
if ( &bmp && bmp.IsOk() )
@ -2209,7 +2224,10 @@ int wxPGProperty::GetY2( int lh ) const
int wxPGProperty::GetY() const
{
return GetY2(GetGrid()->GetRowHeight());
wxPropertyGrid *pg = GetGrid();
wxASSERT_MSG( pg,
wxT("Cannot obtain coordinates of detached property") );
return pg ? GetY2(pg->GetRowHeight()) : 0;
}
// This is used by Insert etc.
@ -2545,8 +2563,16 @@ void wxPGProperty::Empty()
wxPGProperty* wxPGProperty::GetItemAtY( unsigned int y ) const
{
wxPropertyGrid *pg = GetGrid();
wxASSERT_MSG( pg,
wxT("Cannot obtain property item for detached property") );
if( !pg )
{
return NULL;
}
unsigned int nextItem = 0;
return GetItemAtY( y, GetGrid()->GetRowHeight(), &nextItem);
return GetItemAtY(y, pg->GetRowHeight(), &nextItem);
}
void wxPGProperty::DeleteChildren()