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fixed segfault in piano roll when no pattern is open

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This commit is contained in:
Hannu Haahti
2014-01-16 16:20:48 +02:00
parent 302a04f0ef
commit 4f0a73e9fa
1 changed files with 3 additions and 3 deletions
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6
src/gui/piano_roll.cpp
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@@ -2769,7 +2769,7 @@ void pianoRoll::paintEvent( QPaintEvent * _pe )
if( prKeyOrder[key % KeysPerOctave] == PR_WHITE_KEY_SMALL )
{
// draw a small one while checking if it is pressed or not
if( m_pattern->instrumentTrack()->pianoModel()->isKeyPressed( key ) )
if( validPattern() && m_pattern->instrumentTrack()->pianoModel()->isKeyPressed( key ) )
{
p.drawPixmap( PIANO_X, y - WHITE_KEY_SMALL_HEIGHT, *s_whiteKeySmallPressedPm );
}
@@ -2785,7 +2785,7 @@ void pianoRoll::paintEvent( QPaintEvent * _pe )
PR_WHITE_KEY_BIG )
{
// draw a big one while checking if it is pressed or not
if(m_pattern->instrumentTrack()->pianoModel()->isKeyPressed( key ) )
if( validPattern() && m_pattern->instrumentTrack()->pianoModel()->isKeyPressed( key ) )
{
p.drawPixmap( PIANO_X, y - WHITE_KEY_BIG_HEIGHT, *s_whiteKeyBigPressedPm );
}
@@ -2860,7 +2860,7 @@ void pianoRoll::paintEvent( QPaintEvent * _pe )
// then draw it (calculation of y very complicated,
// but that's the only working solution, sorry...)
// check if the key is pressed or not
if( m_pattern->instrumentTrack()->pianoModel()->isKeyPressed( key ) )
if( validPattern() && m_pattern->instrumentTrack()->pianoModel()->isKeyPressed( key ) )
{
p.drawPixmap( PIANO_X, y - ( first_white_key_height -
WHITE_KEY_SMALL_HEIGHT ) -