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warn the user that the application may crash if not enough memory remains

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This commit is contained in:
eap 2011-05-03 17:03:59 +00:00
parent b83db6830f
commit 580a459516
1 changed files with 21 additions and 24 deletions
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45
src/SMESHGUI/SMESHGUI_VTKUtils.cxx
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@ -373,34 +373,31 @@ namespace SMESH
if ( objModified ) {
// PAL16631. Mesurements showed that to show aVisualObj in SHADING(default) mode,
// ~10 times more memory is used than it occupies.
// ~5 times more memory is used than it occupies.
// Warn the user if there is less free memory than 30 sizes of a grid
// TODO: estimate memory usage in other modes and take current mode into account
int freeMB = SMDS_Mesh::CheckMemory(true);
int usedMB = aVisualObj->GetUnstructuredGrid()->GetActualMemorySize() / 1024;
if ( freeMB > 0 && usedMB * 30 > freeMB ) {
#ifdef _DEBUG_
MESSAGE ( "SMESHGUI_VTKUtils::GetVisualObj(), freeMB=" << freeMB
<< ", usedMB=" << usedMB );
#endif
// bool continu = false;
// if ( usedMB * 10 > freeMB )
// // even dont try to show
// SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
// QObject::tr("SMESH_NO_MESH_VISUALIZATION"));
// else
// // there is a chance to succeed
// continu = SUIT_MessageBox::warning
// (SMESHGUI::desktop(),
// QObject::tr("SMESH_WRN_WARNING"),
// QObject::tr("SMESH_CONTINUE_MESH_VISUALIZATION"),
// SUIT_MessageBox::Yes | SUIT_MessageBox::No,
// SUIT_MessageBox::Yes ) == SUIT_MessageBox::Yes;
// if ( !continu ) {
// // remove the corresponding actors from all views
// RemoveVisualObjectWithActors( theEntry );
// aVisualObj.reset();
// }
cout << "SMESHGUI_VTKUtils::GetVisualObj(), freeMB=" << freeMB << ", usedMB=" <<usedMB<<endl;
if ( freeMB > 0 && usedMB * 5 > freeMB ) {
bool continu = false;
if ( usedMB * 3 > freeMB )
// even dont try to show
SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
QObject::tr("SMESH_NO_MESH_VISUALIZATION"));
else
// there is a chance to succeed
continu = SUIT_MessageBox::warning
(SMESHGUI::desktop(),
QObject::tr("SMESH_WRN_WARNING"),
QObject::tr("SMESH_CONTINUE_MESH_VISUALIZATION"),
SUIT_MessageBox::Yes | SUIT_MessageBox::No,
SUIT_MessageBox::Yes ) == SUIT_MessageBox::Yes;
if ( !continu ) {
// remove the corresponding actors from all views
RemoveVisualObjectWithActors( theEntry );
aVisualObj.reset();
}
}
}