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0028390: Visualization, AIS_InteractiveContext - add topmost-only picking strategy

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AIS_InteractiveContext::PickingStrategy(), added new property
defining picking strategy SelectMgr_PickingStrategy.
Strategy SelectMgr_PickingStrategy_OnlyTopmost allows picking only
topmost detected entity not rejected by Selection Filters.
This commit is contained in:
kgv
2017-04-11 10:25:21 +03:00
committed by bugmaster
parent 973d410ea4
commit 14c4193d11
7 changed files with 137 additions and 30 deletions
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34
src/ViewerTest/ViewerTest_ViewerCommands.cxx
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@@ -10175,6 +10175,37 @@ static int VSelectionProperties (Draw_Interpretor& theDi,
}
aCtx->SetAutoActivateSelection (toEnable);
}
else if (anArg == "-pickstrategy"
|| anArg == "-pickingstrategy")
{
if (++anArgIter >= theArgsNb)
{
std::cout << "Syntax error: type of highlighting is undefined\n";
return 1;
}
SelectMgr_PickingStrategy aStrategy = SelectMgr_PickingStrategy_FirstAcceptable;
TCollection_AsciiString aVal (theArgVec[anArgIter]);
aVal.LowerCase();
if (aVal == "first"
|| aVal == "firstaccepted"
|| aVal == "firstacceptable")
{
aStrategy = SelectMgr_PickingStrategy_FirstAcceptable;
}
else if (aVal == "topmost"
|| aVal == "onlyTopmost")
{
aStrategy = SelectMgr_PickingStrategy_OnlyTopmost;
}
else
{
std::cout << "Syntax error: unknwon picking strategy '" << aVal << "'\n";
return 1;
}
aCtx->SetPickingStrategy (aStrategy);
}
else if (anArg == "-pixtol"
&& anArgIter + 1 < theArgsNb)
{
@@ -11103,6 +11134,9 @@ void ViewerTest::ViewerCommands(Draw_Interpretor& theCommands)
"\n vselprops [dynHighlight|localDynHighlight|selHighlight|localSelHighlight] [options]"
"\n Customizes selection and dynamic highlight parameters for the whole interactive context:"
"\n -autoActivate {0|1} : disables|enables default computation and activation of global selection mode"
"\n -pickStrategy {first|topmost} : defines picking strategy"
"\n 'first' to pick first acceptable (default)"
"\n 'topmost' to pick only topmost (and nothing, if topmost is rejected by filters)"
"\n -pixTol value : sets up pixel tolerance"
"\n -dispMode dispMode : sets display mode for highlighting"
"\n -layer ZLayer : sets ZLayer for highlighting"