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|
//=========================================================
// MusE
// Linux Music Editor
// $Id: dlist.cpp,v 1.4 2003/11/19 21:28:40 lunar_shuttle Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include "icons.h"
#include "dlist.h"
#include <qpainter.h>
#include <stdio.h>
#include <qheader.h>
#include <qcursor.h>
#include "song.h"
#include "scrollscale.h"
#include <qpopupmenu.h>
#include <qlineedit.h>
#include "pitchedit.h"
#include "midiport.h"
#include "drummap.h"
enum DCols { COL_MUTE=0, COL_NAME, COL_QNT, COL_ENOTE, COL_LEN,
COL_ANOTE, COL_CHANNEL, COL_PORT,
COL_LV1, COL_LV2, COL_LV3, COL_LV4, COL_NONE=-1};
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void DList::draw(QPainter& p, const QRect& rect)
{
int x = rect.x();
int y = rect.y();
int w = rect.width();
int h = rect.height();
//---------------------------------------------------
// Tracks
//---------------------------------------------------
p.setPen(black);
for (int i = 0; i < DRUM_MAPSIZE; ++i) {
int yy = i * TH;
if (yy+TH < y)
continue;
if (yy > y + h)
break;
DrumMap* dm = &drumMap[i];
if (dm->selected)
p.fillRect(x, yy, w, TH, yellow);
else
p.eraseRect(x, yy, w, TH);
for (int k = 0; k < header->count(); ++k) {
int x = header->sectionPos(k);
int w = header->sectionSize(k);
QRect r = p.xForm(QRect(x+2, yy, w-4, TH));
QString s;
int align = AlignVCenter | AlignHCenter;
p.save();
p.setWorldXForm(false);
switch (k) {
case COL_QNT:
s.setNum(dm->quant);
break;
case COL_LEN:
s.setNum(dm->len);
break;
case COL_ANOTE:
s = pitch2string(dm->anote);
break;
case COL_ENOTE:
s = pitch2string(dm->enote);
break;
case COL_LV1:
s.setNum(dm->lv1);
break;
case COL_LV2:
s.setNum(dm->lv2);
break;
case COL_LV3:
s.setNum(dm->lv3);
break;
case COL_LV4:
s.setNum(dm->lv4);
break;
case COL_MUTE:
if (dm->mute) {
p.setPen(red);
const QPixmap& pm = *muteIcon;
p.drawPixmap(
r.x() + r.width()/2 - pm.width()/2,
r.y() + r.height()/2 - pm.height()/2,
pm);
p.setPen(black);
}
break;
case COL_NAME:
s = dm->name;
align = AlignVCenter | AlignLeft;
break;
case COL_CHANNEL:
s.setNum(dm->channel+1);
break;
case COL_PORT:
s = midiPorts[dm->port].portname();
align = AlignVCenter | AlignLeft;
break;
}
if (!s.isEmpty())
p.drawText(r, align, s);
p.restore();
}
}
//---------------------------------------------------
// horizontal lines
//---------------------------------------------------
p.setPen(gray);
int yy = (y / TH) * TH;
for (; yy < y + h; yy += TH) {
p.drawLine(x, yy, x + w, yy);
}
if (drag == DRAG) {
int y = (startY/TH) * TH;
int dy = startY - y;
int yy = curY - dy;
p.setPen(green);
p.drawLine(x, yy, x + w, yy);
p.drawLine(x, yy+TH, x + w, yy+TH);
p.setPen(gray);
}
//---------------------------------------------------
// vertical Lines
//---------------------------------------------------
p.setWorldXForm(false);
int n = header->count();
for (int i = 1; i < n; i++) {
int x = header->sectionPos(i);
p.drawLine(x, 0, x, height());
}
p.setWorldXForm(true);
}
//---------------------------------------------------------
// devicesPopupMenu
//---------------------------------------------------------
void DList::devicesPopupMenu(DrumMap* t, int x, int y, bool changeAll)
{
QPopupMenu* p = midiPortsPopup(this);
int n = p->exec(mapToGlobal(QPoint(x, y)), 0);
if (n != -1) {
if (!changeAll)
t->port = n;
else
for (int i=0; i<DRUM_MAPSIZE; i++)
drumMap[i].port = n;
}
delete p;
}
//---------------------------------------------------------
// viewMousePressEvent
//---------------------------------------------------------
void DList::viewMousePressEvent(QMouseEvent* ev)
{
int x = ev->x();
int y = ev->y();
int instr = y/TH;
int button = ev->button();
bool shift = ev->state() & ShiftButton;
unsigned pitch = y / TH;
DrumMap* dm = &drumMap[pitch];
if (currentlySelected != 0) {
if (dm != currentlySelected) {
currentlySelected->selected = false;
dm->selected = true;
currentlySelected = dm;
emit selectionChanged(currentlySelected);
emit keyFilterChanged(instr);
song->update(SC_DRUMMAP);
repaint();
}
}
else {
currentlySelected = dm;
dm->selected = true;
emit selectionChanged(currentlySelected);
emit keyFilterChanged(instr);
song->update(SC_DRUMMAP);
repaint();
}
startY = y;
sPitch = pitch;
drag = START_DRAG;
DCols col = DCols(x2col(x));
int val;
int incVal = 0;
if (button == QMouseEvent::RightButton)
incVal = 1;
else if (button == QMouseEvent::MidButton)
incVal = -1;
// Check if we're already editing anything and have pressed the mouse elsewhere
// In that case, treat it as if a return was pressed
if (button == QMouseEvent::LeftButton) {
if ((editEntry && editEntry != dm || col != selectedColumn) && editEntry != 0) {
returnPressed();
}
}
switch (col) {
case COL_NONE:
break;
case COL_MUTE:
if (button == QMouseEvent::LeftButton)
dm->mute = !dm->mute;
break;
case COL_PORT:
if (button == QMouseEvent::RightButton) {
bool changeAll = ev->state() & ControlButton;
devicesPopupMenu(dm, mapx(x), mapy(pitch * TH), changeAll);
}
break;
case COL_QNT:
dm->quant += incVal;
// ?? range
break;
case COL_ENOTE:
val = dm->enote + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
// Check if there is any other drumMap with the same inmap value
// If so, switch the inmap between the instruments
for (int i=0; i<DRUM_MAPSIZE; i++) {
if (drumMap[i].enote == val && &drumMap[i] != dm) {
drumInmap[dm->enote] = i;
drumMap[i].enote = dm->enote;
break;
}
}
dm->enote = val;
drumInmap[val] = pitch; // The inmap for the particular note now points to the instrument we're currently at
break;
case COL_LEN:
val = dm->len + incVal;
if (val < 0)
val = 0;
dm->len = val;
break;
case COL_ANOTE:
val = dm->anote + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
dm->anote = val;
emit keyPressed(dm->enote, shift); //Send input-key
break;
case COL_CHANNEL:
val = dm->channel + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
if (ev->state() & ControlButton) {
for (int i=0; i<DRUM_MAPSIZE; i++)
drumMap[i].channel = val;
}
else
dm->channel = val;
break;
case COL_LV1:
val = dm->lv1 + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
dm->lv1 = val;
break;
case COL_LV2:
val = dm->lv2 + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
dm->lv2 = val;
break;
case COL_LV3:
val = dm->lv3 + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
dm->lv3 = val;
break;
case COL_LV4:
val = dm->lv4 + incVal;
if (val < 0)
val = 0;
else if (val > 127)
val = 127;
dm->lv4 = val;
break;
case COL_NAME:
emit keyPressed(dm->enote, shift); //Send input key
break;
#if 0
case COL_CHANNEL:
{
int channel = t->channel();
if (button == QMouseEvent::RightButton) {
if (channel < 15)
++channel;
}
else if (button == QMouseEvent::MidButton) {
if (channel > 0)
--channel;
}
if (channel != t->channel()) {
t->setChannel(channel);
emit channelChanged();
}
}
#endif
default:
break;
}
redraw();
}
//---------------------------------------------------------
// viewMouseDoubleClickEvent
//---------------------------------------------------------
void DList::viewMouseDoubleClickEvent(QMouseEvent* ev)
{
int x = ev->x();
int y = ev->y();
unsigned pitch = y / TH;
DrumMap* dm = &drumMap[pitch];
int section = header->sectionAt(x);
if (section == COL_NAME || section == COL_LEN || section == COL_LV1 ||
section == COL_LV2 || section == COL_LV3 || section == COL_LV4) {
editEntry = dm;
if (editor == 0) {
editor = new QLineEdit(this);
connect(editor, SIGNAL(returnPressed()),
SLOT(returnPressed()));
editor->setFrame(true);
}
int colx = mapx(header->sectionPos(section));
int colw = rmapx(header->sectionSize(section));
int coly = mapy(pitch * TH);
int colh = rmapy(TH);
selectedColumn = section; //Store selected column to have an idea of which one was selected when return is pressed
switch (section) {
case COL_NAME:
editor->setText(dm->name);
break;
case COL_LEN: {
editor->setText(QString::number(dm->len));
break;
}
case COL_LV1:
editor->setText(QString::number(dm->lv1));
break;
case COL_LV2:
editor->setText(QString::number(dm->lv2));
break;
case COL_LV3:
editor->setText(QString::number(dm->lv3));
break;
case COL_LV4:
editor->setText(QString::number(dm->lv4));
break;
}
editor->end(false);
editor->setGeometry(colx, coly, colw, colh);
//In all cases but the column name, select all text:
if (section != COL_NAME)
editor->selectAll();
editor->show();
}
else
viewMousePressEvent(ev);
}
//---------------------------------------------------------
// x2col
//---------------------------------------------------------
int DList::x2col(int x) const
{
int col = 0;
int w = 0;
for (; col < header->count(); col++) {
w += header->cellSize(col);
if (x < w)
break;
}
if (col == header->count())
return -1;
return header->mapToLogical(col);
}
//---------------------------------------------------------
// moveSelection
//---------------------------------------------------------
void DList::moveSelection(int)
{
}
//---------------------------------------------------------
// sizeChange
//---------------------------------------------------------
void DList::sizeChange(int, int, int)
{
redraw();
}
//---------------------------------------------------------
// returnPressed
//---------------------------------------------------------
void DList::returnPressed()
{
int val = -1;
if (selectedColumn != COL_NAME) {
val = atoi(editor->text().ascii());
if (selectedColumn != COL_LEN) {
if (val > 127) //Check bounds for lv1-lv4 values
val = 127;
if (val < 0)
val = 0;
}
}
switch(selectedColumn) {
case COL_NAME:
editEntry->name = editor->text();
break;
case COL_LEN:
editEntry->len = atoi(editor->text().ascii());
break;
case COL_LV1:
editEntry->lv1 = val;
break;
case COL_LV2:
editEntry->lv2 = val;
break;
case COL_LV3:
editEntry->lv3 = val;
break;
case COL_LV4:
editEntry->lv4 = val;
break;
default:
printf("Return pressed in unknown column\n");
break;
}
selectedColumn = -1;
editor->hide();
editEntry = 0;
setFocus();
redraw();
}
//---------------------------------------------------------
// moved
//---------------------------------------------------------
void DList::moved(int, int)
{
redraw();
}
//---------------------------------------------------------
// tracklistChanged
//---------------------------------------------------------
void DList::tracklistChanged()
{
}
//---------------------------------------------------------
// songChanged
//---------------------------------------------------------
void DList::songChanged(int flags)
{
if (flags & SC_DRUMMAP)
redraw();
}
//---------------------------------------------------------
// DList
//---------------------------------------------------------
DList::DList(QHeader* h, QWidget* parent, int ymag)
: View(parent, 1, ymag)
{
setBg(white);
header = h;
scroll = 0;
header->setTracking(true);
connect(header, SIGNAL(sizeChange(int,int,int)),
SLOT(sizeChange(int,int,int)));
connect(header, SIGNAL(moved(int,int)), SLOT(moved(int,int)));
setFocusPolicy(QWidget::StrongFocus);
drag = NORMAL;
editor = 0;
editEntry = 0;
currentlySelected = 0;
selectedColumn = -1;
}
//---------------------------------------------------------
// ~DList
//---------------------------------------------------------
DList::~DList()
{
if (currentlySelected != 0)
currentlySelected->selected = false; //Reset the global
}
//---------------------------------------------------------
// viewMouseMoveEvent
//---------------------------------------------------------
void DList::viewMouseMoveEvent(QMouseEvent* ev)
{
curY = ev->y();
int delta = curY - startY;
switch (drag) {
case START_DRAG:
if (delta < 0)
delta = -delta;
if (delta <= 2)
return;
drag = DRAG;
setCursor(QCursor(sizeVerCursor));
redraw();
break;
case NORMAL:
break;
case DRAG:
redraw();
break;
}
}
//---------------------------------------------------------
// viewMouseReleaseEvent
//---------------------------------------------------------
void DList::viewMouseReleaseEvent(QMouseEvent* ev)
{
if (drag == DRAG) {
int y = ev->y();
unsigned dPitch = y / TH;
DrumMap dm = drumMap[sPitch];
drumMap[sPitch] = drumMap[dPitch];
drumMap[dPitch] = dm;
setCursor(QCursor(arrowCursor));
drumInmap[drumMap[sPitch].enote] = sPitch;
drumOutmap[drumMap[sPitch].anote] = sPitch;
drumInmap[drumMap[dPitch].enote] = dPitch;
drumOutmap[drumMap[dPitch].anote] = dPitch;
currentlySelected = &drumMap[dPitch];
emit mapChanged(sPitch, dPitch); //Pitch change throughout the whole track done in canvas
}
drag = NORMAL;
redraw();
if (editEntry)
editor->setFocus();
int x = ev->x();
int y = ev->y();
bool shift = ev->state() & ShiftButton;
unsigned pitch = y / TH;
DrumMap* dm = &drumMap[pitch];
DCols col = DCols(x2col(x));
switch (col) {
case COL_NAME:
emit keyReleased(dm->enote, shift);
break;
case COL_ANOTE:
emit keyReleased(dm->enote, shift);
break;
default:
break;
}
}
int DList::getSelectedInstrument()
{
if (currentlySelected == 0)
return -1;
return drumInmap[currentlySelected->enote];
}
|
