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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* mainwindow.cc
*
* Tue Nov 10 10:21:04 CET 2009
* Copyright 2009 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "mainwindow.h"
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QPushButton>
#include <QLineEdit>
#include <QLabel>
#include <QFileDialog>
#include <QStatusBar>
#include <QApplication>
#include <QDockWidget>
#include <QSettings>
#include <QFileInfo>
#define MAXVAL 10000000L
#define SINGLESTEP MAXVAL/100000
#define PAGESTEP MAXVAL/10000
MainWindow::MainWindow()
{
QWidget *central = new QWidget();
QHBoxLayout *lh = new QHBoxLayout();
QVBoxLayout *lv = new QVBoxLayout();
central->setLayout(lv);
setCentralWidget(central);
extractor = new AudioExtractor(this);
canvas = new Canvas(this);
QWidget *dock = new QWidget();
yoffset = new QScrollBar(Qt::Vertical);
yoffset->setRange(0, MAXVAL);
yoffset->setPageStep(PAGESTEP);
yoffset->setSingleStep(SINGLESTEP);
connect(yoffset, SIGNAL(valueChanged(int)), this, SLOT(setYOffset(int)));
yscale = new QScrollBar(Qt::Vertical);
yscale->setRange(0, MAXVAL);
yscale->setPageStep(PAGESTEP);
yscale->setSingleStep(SINGLESTEP);
connect(yscale, SIGNAL(valueChanged(int)), this, SLOT(setYScale(int)));
xscale = new QScrollBar(Qt::Horizontal);
xscale->setRange(0, MAXVAL);
xscale->setPageStep(PAGESTEP);
xscale->setSingleStep(SINGLESTEP);
connect(xscale, SIGNAL(valueChanged(int)), this, SLOT(setXScale(int)));
xoffset = new QScrollBar(Qt::Horizontal);
xoffset->setRange(0, MAXVAL);
xoffset->setPageStep(PAGESTEP);
xoffset->setSingleStep(SINGLESTEP);
connect(xoffset, SIGNAL(valueChanged(int)), this, SLOT(setXOffset(int)));
sorter = new SampleSorter();
connect(canvas, SIGNAL(selectionsChanged(Selections)), sorter, SLOT(setSelections(Selections)));
connect(canvas, SIGNAL(activeSelectionChanged(Selection)), sorter, SLOT(setActiveSelection(Selection)));
lh->addWidget(canvas);
lh->addWidget(yscale);
lh->addWidget(yoffset);
lv->addLayout(lh, 100);
lv->addWidget(xscale, 100);
lv->addWidget(xoffset, 100);
lv->addWidget(sorter, 15);
QHBoxLayout *btns = new QHBoxLayout();
QPushButton *autosel = new QPushButton();
autosel->setText("Auto");
connect(autosel, SIGNAL(clicked()), canvas, SLOT(clearSelections()));
connect(autosel, SIGNAL(clicked()), canvas, SLOT(autoCreateSelections()));
QPushButton *clearsel = new QPushButton();
clearsel->setText("Clear");
connect(clearsel, SIGNAL(clicked()), canvas, SLOT(clearSelections()));
QPushButton *exportsel = new QPushButton();
exportsel->setText("Export");
connect(exportsel, SIGNAL(clicked()), this, SLOT(doExport()));
QPushButton *loadbtn = new QPushButton();
loadbtn->setText("Load");
connect(loadbtn, SIGNAL(clicked()), this, SLOT(addFile()));
btns->addWidget(autosel);
btns->addWidget(clearsel);
btns->addWidget(exportsel);
btns->addWidget(loadbtn);
QVBoxLayout *configs = new QVBoxLayout();
configs->addLayout(btns);
configs->addWidget(new QLabel("Prefix:"));
QLineEdit *prefix = new QLineEdit();
connect(prefix, SIGNAL(textChanged(const QString &)),
extractor, SLOT(setOutputPrefix(const QString &)));
prefix->setText("china");
configs->addWidget(prefix);
configs->addWidget(new QLabel("Export path:"));
QLineEdit *exportp = new QLineEdit();
connect(exportp, SIGNAL(textChanged(const QString &)),
extractor, SLOT(setExportPath(const QString &)));
exportp->setText("/home/deva/tmp/drumgizmoexport");
configs->addWidget(exportp);
configs->addWidget(new QLabel("Files:"));
filelist = new QListWidget();
connect(filelist, SIGNAL(itemSelectionChanged()), this, SLOT(loadFile()));
configs->addWidget(filelist);
QDockWidget *dockWidget = new QDockWidget(tr("Dock Widget"), this);
dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
dockWidget->setWidget(dock);
addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
dock->setLayout(configs);
yscale->setValue(MAXVAL);
yoffset->setValue(MAXVAL/2);
xscale->setValue(0);
xoffset->setValue(0);
loadSettings();
statusBar()->showMessage("Ready");
}
void MainWindow::closeEvent(QCloseEvent *)
{
saveSettings();
QApplication::quit();
}
void MainWindow::loadSettings()
{
QSettings settings("Aasimon.org", "DGEdit");
settings.beginGroup("MainWindow");
resize(settings.value("size", QSize(700, 800)).toSize());
move(settings.value("pos", QPoint(0, 0)).toPoint());
settings.endGroup();
}
void MainWindow::saveSettings()
{
QSettings settings("Aasimon.org", "DGEdit");
settings.beginGroup("MainWindow");
settings.setValue("size", size());
settings.setValue("pos", pos());
settings.endGroup();
}
void MainWindow::setXScale(int sz)
{
// range 0.0 - 1.0
float val = (float)(sz * -1 + MAXVAL)/(float)MAXVAL;
canvas->setXScale(val);
if(val < 0.001) val = 0.001;
xoffset->setPageStep(PAGESTEP * 10 * val);
xoffset->setSingleStep(SINGLESTEP * 10 * val);
}
void MainWindow::setYScale(int sz)
{
// range 0.0 - 1.0
float val = (float)(sz * -1 + MAXVAL)/(float)MAXVAL;
canvas->setYScale(val);
}
void MainWindow::setXOffset(int of)
{
// range 0.0 - 1.0
float val = (float)of/(float)MAXVAL;
canvas->setXOffset(val);
}
void MainWindow::setYOffset(int of)
{
// range 0.0 - 1.0
float val = (float)(of * -1 + MAXVAL)/(float)MAXVAL;
canvas->setYOffset(val);
}
void MainWindow::doExport()
{
extractor->exportSelections(sorter->selections());
}
void MainWindow::loadFile()
{
QString filename = filelist->currentItem()->text();
setCursor(Qt::WaitCursor);
statusBar()->showMessage("Loading...");
qApp->processEvents();
sorter->setWavData(NULL, 0);
canvas->load(filename);
sorter->setWavData(canvas->data, canvas->size);
statusBar()->showMessage("Ready");
setCursor(Qt::ArrowCursor);
}
void MainWindow::addFile()
{
QStringList files = QFileDialog::getOpenFileNames(this, tr("Open file"),
"", tr("Audio Files (*.wav)"));
QStringList::Iterator i = files.begin();
while(i != files.end()) {
QString file = *i;
QFileInfo fi(file);
QString name = fi.baseName();
QListWidgetItem *item = new QListWidgetItem();
item->setText(file);
item->setData(Qt::UserRole, name);
filelist->addItem(item);
extractor->addFile(file, name);
i++;
}
}
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