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En-/disable loop points via MidiControlListener

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MidiControlListener's toggleLoop action makes the song object emit a
loopPointsChanged signal, which timeLine connects to and enables or
disables the loop points accordingly.

Signed-off-by: Tobias Doerffel <tobias.doerffel@gmail.com>
This commit is contained in:
Achim Settelmeier
2009-05-31 22:51:42 +02:00
committed by Tobias Doerffel
parent dc539d88de
commit 86b0056488
4 changed files with 35 additions and 5 deletions
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21
src/core/midi/midi_control_listener.cpp
View File

@@ -36,6 +36,7 @@
#include "engine.h"
#include "note.h"
#include "song.h"
#include "timeline.h"
#include "config_mgr.h"
const QString MidiControlListener::configClass = "MidiControlListener";
@@ -46,7 +47,10 @@ const MidiControlListener::ActionNameMap MidiControlListener::actionNames[] =
{ MidiControlListener::ActionNone, "", "" },
{ MidiControlListener::ActionControl, "Control key", "control" },
{ MidiControlListener::ActionPlay, "Play", "play" },
{ MidiControlListener::ActionStop, "Stop", "stop" }
{ MidiControlListener::ActionStop, "Stop", "stop" },
{ MidiControlListener::ActionToggleLoop, "Toggle loop", "toggleLoop" },
{ MidiControlListener::ActionJumpToLoopStart, "Jump to loop start", "jumpToLoopStart" },
{ MidiControlListener::ActionJumpToLoopEnd, "Jump to loop end", "jumpToLoopEnd" }
};
@@ -152,6 +156,7 @@ void MidiControlListener::processInEvent( const midiEvent & _me,
void MidiControlListener::act( EventAction _action )
{
timeLine * tl = engine::getSong()->getPlayPos( song::Mode_PlaySong ).m_timeLine;
switch( _action )
{
case ActionNone:
@@ -164,6 +169,20 @@ void MidiControlListener::act( EventAction _action )
case ActionStop:
engine::getSong()->stop();
break;
case ActionToggleLoop:
if( tl->loopPointsEnabled() )
{
engine::getSong()->toggleLoopPoints( timeLine::LoopPointsDisabled );
}
else
{
engine::getSong()->toggleLoopPoints( timeLine::LoopPointsEnabled );
}
break;
case ActionJumpToLoopStart:
break;
case ActionJumpToLoopEnd:
break;
}
}

4
src/core/timeline.cpp
View File

@@ -131,6 +131,10 @@ void timeLine::addToolButtons( QWidget * _tool_bar )
SLOT( toggleLoopPoints( int ) ) );
connect( this, SIGNAL( loopPointStateLoaded( int ) ), loopPoints,
SLOT( changeState( int ) ) );
connect( engine::getSong(), SIGNAL( loopPointsChanged( int ) ), this,
SLOT( toggleLoopPoints( int ) ) );
connect( engine::getSong(), SIGNAL( loopPointsChanged( int ) ),
loopPoints, SLOT( changeState( int ) ) );
nStateButton * behaviourAtStop = new nStateButton( _tool_bar );
behaviourAtStop->addState( embed::getIconPixmap( "back_to_zero" ),