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Revert "Bug 2275 - Crash when unchecking Multi-view with neither of the views checked"

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This reverts commit 57ff92b20c01ce6da39475858775619a532e106b.
This commit is contained in:
Paul Licameli 2020-01-09 14:15:20 -05:00
parent d50dae4dd2
commit da2f5491ae
1 changed files with 10 additions and 29 deletions
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39
src/tracks/playabletrack/wavetrack/ui/WaveTrackView.cpp
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@ -559,50 +559,31 @@ void WaveTrackView::ToggleSubView(WaveTrackDisplay display)
return false;
} ) ) {
auto &foundPlacement = mPlacements[found];
auto index = foundPlacement.index;
unsigned nn = 0;
// if found and active, deactivate it..
if ( foundPlacement.fraction > 0.0 ) {
for (auto &placement : mPlacements) {
if (placement.fraction > 0.0 && placement.index >= 0) {
nn++;
}
}
// if removing the last one, then don't!
// Switch to radio-button view instead.
if (nn <= 1) {
DoSetDisplay(display);
SetMultiView(false);
}
else
{
foundPlacement = { -1, 0.0 };
if (index >= 0) {
for (auto &placement : mPlacements) {
if (placement.index > index)
--placement.index;
}
auto index = foundPlacement.index;
foundPlacement = { -1, 0.0 };
if (index >= 0) {
for ( auto &placement : mPlacements ) {
if ( placement.index > index )
--placement.index;
}
}
}
// else found and zero size, so add it on the bottom.
else {
float total = 0;
int greatest = -1;
unsigned nn = 0;
int removedIndex = foundPlacement.index;
for ( auto &placement : mPlacements ) {
if ( placement.fraction >= 0.0 && placement.index >= 0 ) {
// renumber in case there's an item removed.
if( (index >= 0) && (placement.index >= index))
--placement.index;
if( (removedIndex >= 0) && (placement.index >= removedIndex))
placement.index -= 1;
total += placement.fraction;
greatest = std::max( greatest, placement.index );
++nn;
}
}
//
if ( index >= 0)
--nn;
// Turn on the sub-view, putting it lowest, and with average of the
// heights of the other sub-views
foundPlacement = { greatest + 1, total / nn };