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// ------------------------------------------------------------------------
// qechainopevent.cpp: Process audio data with a chain operator
// provided by libecasound
// Copyright (C) 2000 Kai Vehmanen (kaiv@wakkanet.fi)
//
// This program 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// ------------------------------------------------------------------------
#include <qaccel.h>
#include <qlayout.h>
#include <qlistbox.h>
#include <qlabel.h>
#include <qvgroupbox.h>
#include <qhgroupbox.h>
#include <qpushbutton.h>
#include <qprogressdialog.h>
#include <qmessagebox.h>
#include <string>
#include <map>
#include "qechainopevent.h"
QEChainopEvent::QEChainopEvent (ECA_CONTROL* ctrl,
const string& input,
const string& output,
long int start_pos,
long int length,
QWidget *parent,
const char *name)
: QDialog(parent, name, false),
QENonblockingEvent(ctrl),
ectrl(ctrl),
input_rep(input),
output_rep(output),
start_pos_rep(start_pos),
length_rep(length) {
init_layout();
}
void QEChainopEvent::restart(long int start_pos, long int length) {
start_pos_rep = start_pos;
length_rep = length;
if (mode == process_mode) process();
else preview();
}
long int QEChainopEvent::position_in_samples(void) const {
if (ectrl->is_running() == true)
return(start_pos_rep + ectrl->position_in_samples() - ectrl->get_chainsetup()->buffersize());
return(start_pos_rep);
}
void QEChainopEvent::preview(void) {
mode = preview_mode;
init("chainopevent-preview", "default");
set_input(input_rep);
set_input_position(start_pos_rep);
set_length(length_rep);
set_default_audio_format(input_rep);
ectrl->add_default_output();
if (copinput != 0) {
copinput->update_results();
OPERATOR* c = dynamic_cast<OPERATOR*>(copinput->result());
if (c != 0) {
c = c->clone();
ectrl->add_chain_operator(dynamic_cast<CHAIN_OPERATOR*>(c));
}
// parametrien asetus!!!
}
start();
}
void QEChainopEvent::process(void) {
mode = process_mode;
init("chainopevent-process", "default");
set_input(input_rep);
set_input_position(start_pos_rep);
set_length(length_rep);
set_default_audio_format(input_rep);
set_output(output_rep);
set_output_position(start_pos_rep);
if (copinput != 0) {
copinput->update_results();
OPERATOR* c = dynamic_cast<OPERATOR*>(copinput->result());
if (c != 0) {
c = c->clone();
ectrl->add_chain_operator(dynamic_cast<CHAIN_OPERATOR*>(c));
}
// parametrien asetus!!!
}
blocking_start();
emit finished();
accept();
}
void QEChainopEvent::init_layout(void) {
QBoxLayout* top = new QVBoxLayout(this);
copinput = new QEChainOperatorInput(this, "qechainop");
copinput->setMaximumHeight(500);
top->addWidget(copinput);
top->addSpacing(10);
QBoxLayout* buttons = new QHBoxLayout();
QPushButton* process_button = new QPushButton( "Pr(o)cess", this);
buttons->addWidget(process_button);
QPushButton* preview_button = new QPushButton( "(P)review", this);
buttons->addWidget(preview_button);
QPushButton* cancel_button = new QPushButton( "(C)ancel", this);
buttons->addWidget(cancel_button);
QObject::connect(process_button, SIGNAL(clicked()), this, SLOT(process()));
QObject::connect(preview_button, SIGNAL(clicked()), this, SLOT(preview()));
QObject::connect(cancel_button, SIGNAL(clicked()), this, SLOT(reject()));
QAccel *a = new QAccel(this);
a->connectItem(a->insertItem(CTRL+Key_O), this, SLOT(process()));
a->connectItem(a->insertItem(CTRL+Key_P), this, SLOT(preview()));
a->connectItem(a->insertItem(CTRL+Key_C), this, SLOT(reject()));
top->addLayout(buttons);
}
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