void SelectAll()
{
int col = patternView.position.dataColumn;
int chn = patternView.position.channel;
bool hasSelection = boxSelection.hasSelection;
bool oneChannel = boxSelection.selection.startCol == boxSelection.selection.endCol;
if (!hasSelection || oneChannel)
{
PatternRow top = patternView.GetRowAt(chn, 0);
PatternRow bottom = patternView.GetRowAt(chn, songData.patternLength - 1);
if (hasSelection)
{
boxSelection.SetSelection(top.GetSelectable(0), bottom.GetSelectable(SongData.SONG_DATA_COUNT - 1));
}
else
{
boxSelection.SetSelection(top.GetSelectable(col), bottom.GetSelectable(col));
}
}
else
{
PatternRow top = patternView.GetRowAt(0, 0);
PatternRow bottom = patternView.GetRowAt(patternView.channels.Length - 1, songData.patternLength - 1);
boxSelection.SetSelection(top.GetSelectable(0), bottom.GetSelectable(SongData.SONG_DATA_COUNT - 1));
}
}