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Detect the use of incompatible flags for wxGridSizer too.

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Complain if wxEXPAND is combined with both horizontal and vertical alignment
flags, as this doesn't make sense and, moreover, the behaviour has changed
since the last commit: now wxEXPAND is ignored instead of overriding the
alignment flags if they are combined.
This commit is contained in:
Vadim Zeitlin 2015-04-04 19:07:56 +02:00
parent 9aaa38c7c8
commit 58114f22c3
2 changed files with 23 additions and 0 deletions
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12
src/common/sizer.cpp
View File

@ -1406,6 +1406,18 @@ wxSizerItem *wxGridSizer::DoInsert(size_t index, wxSizerItem *item)
}
}
const int flags = item->GetFlag();
if ( flags & wxEXPAND )
{
// Check that expansion will happen in at least one of the directions.
wxASSERT_MSG
(
!(flags & (wxALIGN_BOTTOM | wxALIGN_CENTRE_VERTICAL)) ||
!(flags & (wxALIGN_RIGHT | wxALIGN_CENTRE_HORIZONTAL)),
wxS("wxEXPAND flag will be overridden by alignment flags")
);
}
return wxSizer::DoInsert(index, item);
}

11
tests/sizers/gridsizer.cpp
View File

@ -39,9 +39,11 @@ public:
private:
CPPUNIT_TEST_SUITE( GridSizerTestCase );
CPPUNIT_TEST( Expand );
CPPUNIT_TEST( IncompatibleFlags );
CPPUNIT_TEST_SUITE_END();
void Expand();
void IncompatibleFlags();
// Clear the current sizer contents and add the specified windows to it,
// using the same flags for all of them.
@ -156,3 +158,12 @@ void GridSizerTestCase::Expand()
CPPUNIT_ASSERT_EQUAL( wxSize(sizeChild.x, sizeRest.y),
children[3]->GetSize() );
}
void GridSizerTestCase::IncompatibleFlags()
{
WX_ASSERT_FAILS_WITH_ASSERT_MESSAGE
(
"Combining wxEXPAND and wxCENTRE should assert",
m_sizer->Add(10, 10, wxSizerFlags().Expand().Centre())
);
}