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add ability to move sub-songs

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This commit is contained in:
tildearrow 2022-06-01 18:50:30 -05:00
parent 2da92b0433
commit ddcd76328d
4 changed files with 77 additions and 19 deletions
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38
src/engine/engine.cpp
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@ -827,6 +827,44 @@ bool DivEngine::removeSubSong(int index) {
return true;
}
void DivEngine::moveSubSongUp(size_t index) {
if (index<1 || index>=song.subsong.size()) return;
BUSY_BEGIN;
saveLock.lock();
if (index==curSubSongIndex) {
curSubSongIndex--;
} else if (index-1==curSubSongIndex) {
curSubSongIndex++;
}
DivSubSong* prev=song.subsong[index-1];
song.subsong[index-1]=song.subsong[index];
song.subsong[index]=prev;
saveLock.unlock();
BUSY_END;
}
void DivEngine::moveSubSongDown(size_t index) {
if (index>=song.subsong.size()-1) return;
BUSY_BEGIN;
saveLock.lock();
if (index==curSubSongIndex) {
curSubSongIndex++;
} else if (index+1==curSubSongIndex) {
curSubSongIndex--;
}
DivSubSong* prev=song.subsong[index+1];
song.subsong[index+1]=song.subsong[index];
song.subsong[index]=prev;
saveLock.unlock();
BUSY_END;
}
void DivEngine::clearSubSongs() {
BUSY_BEGIN;
saveLock.lock();