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Code Issues Releases Wiki Activity

A convenience function in LabelTrackShifter eliminates repetition

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This commit is contained in:
Paul Licameli 2020-09-20 12:56:17 -04:00 committed by James Crook
parent 3fcda6fc3c
commit 9b1901c971
1 changed files with 21 additions and 8 deletions
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29
src/tracks/labeltrack/ui/LabelTrackView.cpp
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@ -2153,6 +2153,18 @@ public:
}
Track &GetTrack() const override { return *mpTrack; }
static inline size_t& GetIndex(TrackInterval &interval)
{
auto pExtra =
static_cast<LabelTrack::IntervalData*>( interval.Extra() );
return pExtra->index;
}
static inline size_t GetIndex(const TrackInterval &interval)
{
return GetIndex( const_cast<TrackInterval&>(interval) );
}
HitTestResult HitTest(
double time, const ViewInfo &viewInfo, HitTestParams *pParams ) override
{
@ -2171,9 +2183,7 @@ public:
iLabel = LabelTrackView::Get(*mpTrack).GetSelectedIndex(mProject);
if (iLabel != -1) {
UnfixIntervals([&](const auto &myInterval){
auto pData =
static_cast<LabelTrack::IntervalData*>(myInterval.Extra());
return pData->index == iLabel;
return GetIndex( myInterval ) == iLabel;
});
return result;
}
@ -2201,9 +2211,7 @@ public:
{
auto &labels = mpTrack->GetLabels();
for ( auto &interval : MovingIntervals() ) {
auto pExtra =
static_cast<LabelTrack::IntervalData*>( interval.Extra() );
auto index = pExtra->index;
auto index = GetIndex( interval );
auto labelStruct = labels[index];
labelStruct.selectedRegion.move(offset);
mpTrack->SetLabel( index, labelStruct );
@ -2222,9 +2230,14 @@ private:
auto former = e.mFormerPosition;
auto present = e.mPresentPosition;
// Avoid signed-unsigned comparison below!
if (former < 0 || present < 0) {
wxASSERT(false);
return;
}
auto update = [=]( TrackInterval &interval ){
auto pExtra = static_cast<LabelTrack::IntervalData*>(interval.Extra());
auto &index = pExtra->index;
auto &index = GetIndex( interval );
if ( index == former )
index = present;
else if ( former < index && index <= present )