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Bug 1516 - Clips: Can't drag vertically if starting position of clip overlaps clip in target track

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This commit is contained in:
James Crook 2017-08-19 17:53:50 +01:00
parent f3dcccb144
commit 4d43d2273b
3 changed files with 5 additions and 4 deletions
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5
src/WaveTrack.cpp
View File

@ -2372,11 +2372,12 @@ bool WaveTrack::CanOffsetClip(WaveClip* clip, double amount,
return true;
}
bool WaveTrack::CanInsertClip(WaveClip* clip)
bool WaveTrack::CanInsertClip(WaveClip* clip, double slideBy)
{
for (const auto &c : mClips)
{
if (c->GetStartTime() < clip->GetEndTime() && c->GetEndTime() > clip->GetStartTime())
if (c->GetStartTime() < (clip->GetEndTime()+slideBy) &&
c->GetEndTime() > (clip->GetStartTime()+slideBy))
return false; // clips overlap
}

2
src/WaveTrack.h
View File

@ -491,7 +491,7 @@ class AUDACITY_DLL_API WaveTrack final : public PlayableTrack {
// Before moving a clip into a track (or inserting a clip), use this
// function to see if the times are valid (i.e. don't overlap with
// existing clips).
bool CanInsertClip(WaveClip* clip);
bool CanInsertClip(WaveClip* clip, double slideBy=0.0);
// Remove the clip from the track and return a SMART pointer to it.
// You assume responsibility for its memory!

2
src/tracks/ui/TimeShiftHandle.cpp
View File

@ -712,7 +712,7 @@ UIHandle::Result TimeShiftHandle::Drag
TrackClip &trackClip = mClipMoveState.capturedClipArray[ii];
WaveClip *const pSrcClip = trackClip.clip;
if (pSrcClip)
ok = trackClip.dstTrack->CanInsertClip(pSrcClip);
ok = trackClip.dstTrack->CanInsertClip(pSrcClip, desiredSlideAmount);
}
if (!ok) {