void AmNode::CopyContentsTo(AmNode* copy) const
{
assert( copy );
if( !copy || !mEvent ) return;
AmNode* node = copy;
node->SetEvent( mEvent->Copy() );
}
void SeqPhraseMatrixView::DrawTrack(BRect clip,
BView* view,
const AmTrack* track,
AmPhraseRendererI* renderer)
{
/* Find the first phrase left of the window.
*/
const AmPhrase& phrases = track->Phrases();
AmTime start = mMtc.PixelToTick(clip.left);
AmTime end = mMtc.PixelToTick(clip.right);
AmNode* n = phrases.FindNode(start, BACKWARDS_SEARCH);
if (!n) n = phrases.FindNode(start);
if (!n) return;
while (n && (n->Event()->StartTime() <= end) ) {
if( n->Event()->Type() == n->Event()->PHRASE_TYPE ) {
AmPhraseEvent* pe = dynamic_cast<AmPhraseEvent*>( n->Event() );
if (pe) DrawTopLevelPhrase(clip, view, track, pe, end, pe, renderer);
/* Events need to know if they are in a link or not, so they
* are required to be bundled up in a phrase.
*/
} else {
debugger("Error condition");
// } else if( n->Event()->Type() == n->Event()->NOTEON_TYPE ) {
// DrawEvent( clip, view, dynamic_cast<AmNoteOn*>( n->Event() ) );
}
n = n->next;
}
}
AmNode* AmNode::Copy() const
{
const AmNode* pos = this;
AmNode* head = NULL;
AmNode* tail = NULL;
while (pos) {
AmNode* copy = new AmNode(0);
if (!copy) {
if (head) {
head->DeleteListContents();
delete head;
}
return NULL;
}
pos->CopyContentsTo( copy );
if (!tail) {
head = tail = copy;
} else {
tail->InsertNext(copy);
tail = copy;
}
pos = pos->next;
}
return head;
}
void AmTrackDataView::DrawPhrase( BRect clip,
BView* view,
track_id trackId,
const AmPhraseEvent& topPhrase,
AmPhraseEvent* pe,
AmTime start,
AmTime end,
int32 properties,
AmSelectionsI* selections)
{
ArpASSERT(pe && pe->Phrase());
AmNode* n = pe->Phrase()->HeadNode();
if (!n) return;
AmRange eventRange = topPhrase.EventRange( n->Event() );
while (n && eventRange.start <= end) {
if (eventRange.end >= start) {
if (mTarget->IsInteresting( n->Event() )) {
if (selections && selections->IncludesEvent(trackId, &topPhrase, n->Event() ) )
DrawEvent(view, topPhrase, n->Event(), eventRange, ARPEVENT_SELECTED);
else
DrawEvent(view, topPhrase, n->Event(), eventRange, properties);
} else if (n->Event()->Type() == n->Event()->PHRASE_TYPE) {
AmPhraseEvent* pe2 = dynamic_cast<AmPhraseEvent*>( n->Event() );
if (pe2) DrawPhrase(clip, view, trackId, topPhrase, pe2, start, end, properties, selections);
}
}
n = n->next;
if (n) eventRange = topPhrase.EventRange( n->Event() );
}
}
AmNode* AmNode::NodeBefore(AmTime time)
{
if( StartTime() >= time ) return 0;
AmNode* pos = this;
while (pos && pos->next && pos->StartTime() < time) pos = pos->next;
return pos;
}
void AmNode::DeleteListContents()
{
AmNode* pos = this;
while (pos) {
if( pos->mEvent ) {
pos->pDeleteContents();
pos->mEvent = 0;
}
pos = pos->next;
}
}
const AmSignature* AmTimeView::GetSignatureBefore(const AmPhrase& signatures, int32 measure)
{
AmNode* node = signatures.HeadNode();
if( !node ) return 0;
while ( (node != 0) && (node->next != 0) ) {
const AmSignature* sig = dynamic_cast<const AmSignature*>( ((AmNode*)node->next)->Event() );
if ( (sig != 0) && (sig->Measure() > measure) ) return sig;
node = (AmNode*)node->next;
}
return dynamic_cast<const AmSignature*>( node->Event() );
}
/* This method finds the first event that STARTS after my left edge.
* events that are overhanging into my left border are ignored. This
* is an arbitrary decision, but basically it makes sense to me to do
* it this way because this method is used to select the first visible
* event, if there isn't already one. And if I did it the other way,
* then that overhanging note might actually be measures away, so as users
* clicked the right arrow the actual events being selected would be far
* away.
*/
AmEvent* AmTrackDataView::FirstEvent(const AmTrack* track, AmPhraseEvent** answer) const
{
ArpASSERT(mTarget);
const AmPhrase& phrase = track->Phrases();
AmTime time = mTarget->TimeConverter().PixelToTick( Bounds().left );
AmNode* phraseNode = phrase.FindNode( time, BACKWARDS_SEARCH );
if( !phraseNode ) return 0;
AmPhraseEvent* pe;
while (phraseNode != 0) {
if( (phraseNode->Event()->Type() == phraseNode->Event()->PHRASE_TYPE)
&& (pe = dynamic_cast<AmPhraseEvent*>( phraseNode->Event() ))
&& pe->Phrase() ) {
AmNode* eventNode = pe->Phrase()->FindNode( time, FORWARDS_SEARCH );
while( eventNode ) {
if( mTarget->IsInteresting( eventNode->Event() ) ) {
*answer = pe;
return eventNode->Event();
}
eventNode = eventNode->next;
}
}
phraseNode = phraseNode->next;
}
return 0;
}
status_t AmTimeView::ConstructSignatureFromTime(const AmPhrase& signatures)
{
debugger("This code doesn't work at all -- if anyone actually uses it, it needs to be rewritten");
AmNode* node = signatures.FindNode( DisplayTime(), BACKWARDS_SEARCH );
if( !node ) return B_ERROR;
AmSignature* sig = dynamic_cast<AmSignature*>( node->Event() );
if( !sig ) return B_ERROR;
AmTime start = sig->StartTime();
AmTime ticks = sig->TicksPerBeat();
AmTime displayTime = DisplayTime();
int32 measure = sig->Measure();
while ( (start + ticks) <= displayTime ) {
start += ticks;
measure++;
}
mSignature->Set( start, measure, sig->Beats(), sig->BeatValue() );
return B_OK;
}
status_t AmTrackDataView::NextRightEvent( const AmTrack* track,
AmEvent* event, AmPhraseEvent* container,
AmEvent** eventAnswer, AmPhraseEvent** containerAnswer) const
{
#if 0
ArpASSERT( mTarget );
ArpASSERT( event && container && container->Phrase() );
AmNode* n = container->Phrase()->FindNode(event);
// AmEvent* nextEvent = 0;
/* Simple case, there's an event after the current one.
*/
if( n ) n = n->next;
while( n ) {
if( mTarget->IsInteresting( n->Event() ) ) {
*eventAnswer = n->Event();
*containerAnswer = container;
return B_OK;
}
n = n->next;
}
#endif
return B_ERROR;
}
AmTimeView::AmTimeView( const AmPhrase& signatures)
: inherited(BRect(0, 0, 0, 0),
"midi_time",
B_FOLLOW_TOP | B_FOLLOW_LEFT,
B_WILL_DRAW),
AmSongObserver( AmSongRef() ),
mSignature(new AmSignature), mTime(0),
mMeasureCtrl(0), mBeatCtrl(0), mClockCtrl(0)
{
AmNode* n = signatures.HeadNode();
while( n ) {
if( n->Event()->Type() == n->Event()->SIGNATURE_TYPE ) {
AmSignature* event = dynamic_cast<AmSignature*>( n->Event() );
AmSignature* sig;
if( event && (sig = new AmSignature( *event )) ) {
mSignatures.Add( sig );
}
}
n = n->next;
}
AddViews();
}
AmEvent* _AmControlTarget::InterestingEventAt( const AmTrack* track,
const AmPhraseEvent& topPhrase,
const AmPhrase& phrase,
AmTime time,
float y,
int32* extraData) const
{
AmNode* n = phrase.ChainHeadNode(time);
if (!n) return NULL;
/* Since control changes are single pixels, it can be a bit tricky
* for users to hit exactly the right pixel. Compensate for this
* by finding the closest control change within a given fudge factor.
*/
AmTime fudge = EventAtFudge();
AmEvent* closest = NULL;
/* As soon as I've hit events that are within range of where I'm
* looking, I set this flag. This lets me know to end the search
* as soon as I'm out of range.
*/
bool beenInRange = false;
while (n) {
AmRange eventRange = topPhrase.EventRange( n->Event() );
if( (eventRange.start >= time - fudge) && (eventRange.start <= time + fudge) ) {
beenInRange = true;
if( IsInteresting( n->Event() ) ) {
if (!closest)
closest = n->Event();
else if ( abs(time - eventRange.start) < abs(time - topPhrase.EventRange(closest).start) )
closest = n->Event();
}
} else {
if (beenInRange) return closest;
}
n = n->next;
}
return closest;
}
static void _control_report(const AmPhrase* phrase, uint8* active)
{
if (!phrase) return;
AmNode* node = phrase->HeadNode();
while (node) {
if (node->Event() ) {
if (node->Event()->Type() == node->Event()->PHRASE_TYPE) {
AmPhraseEvent* pe = dynamic_cast<AmPhraseEvent*>(node->Event() );
if (pe) _control_report(pe->Phrase(), active);
} else if (node->Event()->Type() == node->Event()->CONTROLCHANGE_TYPE) {
AmControlChange* cc = dynamic_cast<AmControlChange*>(node->Event() );
if (cc) active[cc->ControlNumber()] = 1;
}
}
node = node->next;
}
}
static void program_report(const AmPhrase* phrase, _AmProgramEntry& entry)
{
if (!phrase) return;
AmNode* node = phrase->HeadNode();
while (node) {
if ( node->Event() ) {
if (node->Event()->Type() == node->Event()->PHRASE_TYPE) {
AmPhraseEvent* pe = dynamic_cast<AmPhraseEvent*>( node->Event() );
if (pe) program_report(pe->Phrase(), entry);
} else if (node->Event()->Type() == node->Event()->PROGRAMCHANGE_TYPE) {
AmProgramChange* pc = dynamic_cast<AmProgramChange*>( node->Event() );
if (pc) entry.AddProgram( pc->ProgramNumber() );
}
}
node = node->next;
}
}
static void control_report(const AmPhrase* phrase, _AmControlEntry& entry)
{
if (!phrase) return;
AmNode* node = phrase->HeadNode();
while (node) {
if (node->Event() ) {
if (node->Event()->Type() == node->Event()->PHRASE_TYPE) {
AmPhraseEvent* pe = dynamic_cast<AmPhraseEvent*>(node->Event() );
if (pe) control_report(pe->Phrase(), entry);
} else if (node->Event()->Type() == node->Event()->CONTROLCHANGE_TYPE) {
AmControlChange* cc = dynamic_cast<AmControlChange*>(node->Event() );
if (cc) entry.AddControl(cc->ControlNumber() );
}
}
node = node->next;
}
}
void AmTrackDataView::DrawTrack(const AmTrack* track,
BRect clip,
BView* view,
int32 properties,
AmSelectionsI* selections)
{
AmTime start = mMtc.PixelToTick(clip.left - 2);
AmTime end = mMtc.PixelToTick(clip.right + 2);
AmNode* n = track->Phrases().HeadNode();
while (n && n->Event() && n->StartTime() <= end) {
if (n->EndTime() >= start) {
if (n->Event()->Type() == n->Event()->PHRASE_TYPE) {
AmPhraseEvent* pe = dynamic_cast<AmPhraseEvent*>( n->Event() );
if (pe && pe->Phrase() ) {
mEventColor = pe->Phrase()->Color(AmPhrase::FOREGROUND_C);
mix_in(mEventColor, AmPrefs().Color(AM_DATA_BG_C), 0.75, mLowEventColor);
DrawPhrase(clip, view, track->Id(), *pe, pe, start, end, properties, selections);
}
}
}
n = n->next;
}
}
void SeqMeasureControl::LockedDrawRightOn( const AmPhrase& signatures, BRect rBounds, BView* view,
AmTime songEndTime)
{
AmTime centerRightTime = mMtc.PixelToTick( rBounds.left - 1 - mLeftIndent + mScrollX );
if (centerRightTime < 0) return;
AmTime timeWidth = songEndTime - centerRightTime;
if( timeWidth < 0 ) return;
AmTimeConverter mtc( mRightIndent / ((float)timeWidth / (float)PPQN) );
if( mtc.BeatLength() >= mMtc.BeatLength() ) return;
AmNode* node = signatures.HeadNode();
if (node == 0) return;
AmSignature* sig = dynamic_cast<AmSignature*>( node->Event() );
if (sig == 0) return;
AmSignature currentSig(*sig);
AmTime sigLength = currentSig.Duration();
AmSignature* nextSig = 0;
AmNode* nextNode = node->next;
if (nextNode != 0) nextSig = dynamic_cast<AmSignature*>( nextNode->Event() );
char buf[16];
float lastRight = -1;
/* Find the first signature right of the center view.
*/
while (currentSig.EndTime() < centerRightTime) {
currentSig.Set( currentSig.StartTime() + sigLength,
currentSig.Measure() + 1,
currentSig.Beats(),
currentSig.BeatValue() );
if ( nextSig && ( currentSig.StartTime() == nextSig->StartTime() ) ) {
int32 measure = currentSig.Measure();
currentSig.Set( *nextSig );
currentSig.SetMeasure( measure );
sigLength = currentSig.Duration();
node = nextNode;
nextNode = (AmNode*)nextNode->next;
if (nextNode != 0) nextSig = dynamic_cast<AmSignature*>( nextNode->Event() );
else nextSig = 0;
}
}
DrawRightBgOn(rBounds, view, songEndTime);
/* Draw the center dividing line.
*/
float fh = view_font_height(view);
rBounds.top = rBounds.bottom - fh;
view->SetHighColor( Prefs().Color( AM_MEASURE_FG_C ) );
view->StrokeLine( BPoint(rBounds.left, rBounds.top-1), BPoint(rBounds.right, rBounds.top-1) );
view->SetHighColor( Prefs().Color( AM_MEASURE_HIGHLIGHT_C ) );
view->StrokeLine( BPoint(rBounds.left, rBounds.top), BPoint(rBounds.right, rBounds.top) );
/* Now draw til the end.
*/
view->SetHighColor( Prefs().Color( AM_MEASURE_FG_C ) );
view->SetDrawingMode(B_OP_ALPHA);
view->SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
while (currentSig.EndTime() < songEndTime) {
float pixel = mtc.TickToPixel( currentSig.StartTime() - centerRightTime );
if( pixel > lastRight ) {
view->StrokeLine( BPoint(pixel + rBounds.left, rBounds.top), BPoint(pixel + rBounds.left, rBounds.bottom) );
sprintf( buf, "%ld", currentSig.Measure() );
float width = view->StringWidth( buf );
view->DrawString( buf, BPoint( pixel + rBounds.left + 2, rBounds.bottom - 2 ) );
lastRight = pixel + 2 + width + 2;
}
currentSig.Set( currentSig.StartTime() + sigLength,
currentSig.Measure() + 1,
currentSig.Beats(),
currentSig.BeatValue() );
if ( nextSig && ( currentSig.StartTime() == nextSig->StartTime() ) ) {
int32 measure = currentSig.Measure();
currentSig.Set( *nextSig );
currentSig.SetMeasure( measure );
sigLength = currentSig.Duration();
node = nextNode;
nextNode = (AmNode*)nextNode->next;
if (nextNode != 0) nextSig = dynamic_cast<AmSignature*>( nextNode->Event() );
else nextSig = 0;
}
}
view->SetDrawingMode(B_OP_COPY);
}
void SeqMeasureControl::LockedDrawLeftOn(const AmPhrase& signatures, BRect lBounds, BView* view)
{
AmTime rightTick = mMtc.PixelToTick(mScrollX);
AmTimeConverter mtc( mLeftIndent / ((float)rightTick / (float)PPQN) );
AmNode* node = signatures.HeadNode();
if (node == 0) return;
AmSignature* sig = dynamic_cast<AmSignature*>( node->Event() );
if (sig == 0) return;
AmSignature currentSig(*sig);
AmTime sigLength = currentSig.Duration();
AmSignature* nextSig = 0;
AmNode* nextNode = node->next;
if (nextNode != 0) nextSig = dynamic_cast<AmSignature*>( nextNode->Event() );
char buf[16];
float lastRight = -1;
/* Draw the center dividing line.
*/
float fh = view_font_height(view);
lBounds.top = lBounds.bottom - fh;
view->SetHighColor( Prefs().Color( AM_MEASURE_FG_C ) );
view->StrokeLine( BPoint(lBounds.left, lBounds.top-1), BPoint(lBounds.right, lBounds.top-1) );
view->SetHighColor( Prefs().Color( AM_MEASURE_HIGHLIGHT_C ) );
view->StrokeLine( BPoint(lBounds.left, lBounds.top), BPoint(lBounds.right, lBounds.top) );
view->SetHighColor( Prefs().Color( AM_MEASURE_FG_C ) );
view->SetDrawingMode(B_OP_ALPHA);
view->SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
while (currentSig.EndTime() < rightTick) {
float pixel = mtc.TickToPixel( currentSig.StartTime() );
if( pixel > lastRight ) {
view->StrokeLine( BPoint(pixel, lBounds.top), BPoint(pixel, lBounds.bottom) );
sprintf( buf, "%ld", currentSig.Measure() );
float width = view->StringWidth( buf );
if( pixel + 2 + width > mLeftIndent ) {
lastRight = pixel + 2;
} else {
view->DrawString( buf, BPoint( pixel + 2, lBounds.bottom - 2 ) );
lastRight = pixel + 2 + width + 2;
}
}
currentSig.Set( currentSig.StartTime() + sigLength,
currentSig.Measure() + 1,
currentSig.Beats(),
currentSig.BeatValue() );
if ( nextSig && ( currentSig.StartTime() == nextSig->StartTime() ) ) {
int32 measure = currentSig.Measure();
currentSig.Set( *nextSig );
currentSig.SetMeasure( measure );
sigLength = currentSig.Duration();
node = nextNode;
nextNode = (AmNode*)nextNode->next;
if (nextNode != 0) nextSig = dynamic_cast<AmSignature*>( nextNode->Event() );
else nextSig = 0;
}
}
view->SetDrawingMode(B_OP_COPY);
}
status_t AmNode::AddNode(AmNode* node)
{
assert( node );
AmNode* destPos = this;
#if NOISY
ArpD(cdb << ADH << "Merging " << node << " into " << destPos << endl);
#endif
const AmTime nodeTime = node->StartTime();
#if NOISY
ArpD(cdb << ADH << "Node time is " << nodeTime << endl);
#endif
AmNode* tmp=NULL;
bool searched = false;
// If node time is after current position time, look forward for
// the place to insert it.
while( nodeTime >= destPos->StartTime() ) {
#if NOISY
ArpD(cdb << ADH << "Dest time is " << destPos->StartTime()
<< ", going forward." << endl);
#endif
tmp = destPos->next;
if( !tmp ) {
// Whoops, ran to end of list -- place source at end.
#if NOISY
ArpD(cdb << ADH << "This is the last event; appending src.\n");
#endif
destPos->InsertNext(node);
return B_OK;
}
destPos = tmp;
searched = true;
}
if( searched ) {
// We moved forward at least one event in the dest list, so
// we know this is where to put it.
#if NOISY
ArpD(cdb << ADH << "Found dest time " << destPos->Time()
<< ", inserting here." << endl);
#endif
destPos->InsertPrev(node);
return B_OK;
}
// That didn't work -- node time is before current position, so look
// back in the list for where this goes.
while( nodeTime < destPos->StartTime() ) {
#if NOISY
ArpD(cdb << ADH << "Dest time is " << destPos->StartTime()
<< ", going backward." << endl);
#endif
tmp = destPos->prev;
if( !tmp ) {
// Whoops, ran to end of list -- place source at front.
#if NOISY
ArpD(cdb << ADH << "This is the first event; inserting src.\n");
#endif
destPos->InsertPrev(node);
return B_OK;
}
destPos = tmp;
}
// Okay, we absolutely positive know that this is the place to
// put it.
#if NOISY
ArpD(cdb << ADH << "Found dest time " << destPos->StartTime()
<< ", appending here." << endl);
#endif
destPos->InsertNext(node);
return B_OK;
}
