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/**********************************************************************
Audacity: A Digital Audio Editor
NoteTrack.cpp
Dominic Mazzoni
**********************************************************************/
#include <wx/dc.h>
#include <wx/brush.h>
#include <wx/pen.h>
#include "AColor.h"
#include "NoteTrack.h"
#include "DirManager.h"
NoteTrack::NoteTrack(DirManager * projDirManager):
VTrack(projDirManager)
{
name = "Note Track";
mSeq = NULL;
mLen = 0.0;
mBottomNote = 24;
mVisibleChannels = 0xFFFF;
}
void NoteTrack::DrawLabelControls(wxDC & dc, wxRect & r)
{
int wid = 20;
int ht = 16;
if (r.height < ht * 4)
return;
int x = r.x + r.width / 2 - wid * 2;
int y = r.y + 4;
for (int row = 0; row < 4; row++)
for (int col = 0; col < 4; col++) {
int channel = row * 4 + col + 1;
wxRect box;
box.x = x + col * wid;
box.y = y + row * ht;
box.width = wid;
box.height = ht;
if (mVisibleChannels & (1 << (channel - 1))) {
AColor::MIDIChannel(&dc, channel);
dc.DrawRectangle(box);
AColor::LightMIDIChannel(&dc, channel);
dc.DrawLine(box.x, box.y, box.x + box.width - 1, box.y);
dc.DrawLine(box.x, box.y, box.x, box.y + box.height - 1);
AColor::DarkMIDIChannel(&dc, channel);
dc.DrawLine(box.x + box.width - 1, box.y,
box.x + box.width - 1, box.y + box.height);
dc.DrawLine(box.x, box.y + box.height - 1, box.x + box.width,
box.y + box.height - 1);
} else {
AColor::MIDIChannel(&dc, 0);
dc.DrawRectangle(box);
}
dc.DrawText(wxString::Format("%d", channel), box.x + 5,
box.y + 3);
}
}
bool NoteTrack::LabelClick(wxRect & r, int mx, int my, bool right)
{
int wid = 23;
int ht = 16;
if (r.height < ht * 4)
return false;
int x = r.x + r.width / 2 - wid * 2;
int y = r.y + 4;
int col = (mx - x) / wid;
int row = (my - y) / ht;
if (row < 0 || row >= 4 || col < 0 || col >= 4)
return false;
int channel = row * 4 + col;
if (right) {
if (mVisibleChannels == (1 << channel))
mVisibleChannels = 0xFFFF;
else
mVisibleChannels = (1 << channel);
} else
mVisibleChannels ^= (1 << channel);
return true;
}
double NoteTrack::GetMaxLen()
{
return mLen;
}
void NoteTrack::CalcLen()
{
int numEvents = mSeq->notes.len;
if (numEvents <= 0)
mLen = 0.0;
else {
mLen = 0.0;
for (int i = 0; i < numEvents; i++) {
if (mSeq->notes[numEvents - 1]->time > mLen)
mLen = mSeq->notes[numEvents - 1]->time;
if (mSeq->notes[numEvents - 1]->type == 'n') {
double endtime = mSeq->notes[numEvents - 1]->time +
((Note_ptr) mSeq->notes[numEvents - 1])->dur;
if (endtime > mLen)
mLen = endtime;
}
}
}
}
void NoteTrack::SetSequence(Seq_ptr seq)
{
if (mSeq)
delete mSeq;
mSeq = seq;
CalcLen();
}
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