view main/OSCHandler.cpp @ 1583:0510dea7ef84 dev/refactor-piper-related

Introduce some POD structs for describing an external server application and the desired libraries to load from it, and disambiguating between empty list request and invalid list request. This allows for overriding PiperVampPluginFactory behaviour for using a PluginScan to populate the list request.

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006-2007 Chris Cannam and QMUL.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#include "MainWindow.h"
#include "data/osc/OSCQueue.h"

#include "layer/WaveformLayer.h"
#include "view/ViewManager.h"
#include "view/Pane.h"
#include "view/PaneStack.h"
#include "data/model/WaveFileModel.h"
#include "widgets/CommandHistory.h"
#include "audio/AudioCallbackPlaySource.h"
#include "framework/Document.h"
#include "data/fileio/WavFileWriter.h"
#include "transform/TransformFactory.h"
#include "widgets/LevelPanWidget.h"
#include "widgets/LevelPanToolButton.h"
#include "widgets/AudioDial.h"

#include <bqaudioio/SystemPlaybackTarget.h>

#include <QFileInfo>

void
MainWindow::handleOSCMessage(const OSCMessage &message)
{
    SVDEBUG << "MainWindow::handleOSCMessage: thread id = " 
              << QThread::currentThreadId() << endl;

    // This large function should really be abstracted out.

    if (message.getMethod() == "open") {

        if (message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {
            QString path = message.getArg(0).toString();
            if (open(path, ReplaceMainModel) != FileOpenSucceeded) {
                cerr << "MainWindow::handleOSCMessage: File open failed for path \""
                          << path << "\"" << endl;
            }
            //!!! we really need to spin here and not return until the
            // file has been completely decoded...
        }

    } else if (message.getMethod() == "openadditional") {

        if (message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {
            QString path = message.getArg(0).toString();
            if (open(path, CreateAdditionalModel) != FileOpenSucceeded) {
                cerr << "MainWindow::handleOSCMessage: File open failed for path \""
                          << path << "\"" << endl;
            }
        }

    } else if (message.getMethod() == "recent" ||
               message.getMethod() == "last") {

        int n = 0;
        if (message.getMethod() == "recent" &&
            message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::Int)) {
            n = message.getArg(0).toInt() - 1;
        }
        std::vector<QString> recent = m_recentFiles.getRecent();
        if (n >= 0 && n < int(recent.size())) {
            if (open(recent[n], ReplaceMainModel) != FileOpenSucceeded) {
                cerr << "MainWindow::handleOSCMessage: File open failed for path \""
                          << recent[n] << "\"" << endl;
            }
        }

    } else if (message.getMethod() == "save") {

        QString path;
        if (message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {
            path = message.getArg(0).toString();
            if (QFileInfo(path).exists()) {
                SVDEBUG << "MainWindow::handleOSCMessage: Refusing to overwrite existing file in save" << endl;
            } else {
                saveSessionFile(path);
            }
        }

    } else if (message.getMethod() == "export") {

        QString path;
        if (getMainModel()) {
            if (message.getArgCount() == 1 &&
                message.getArg(0).canConvert(QVariant::String)) {
                path = message.getArg(0).toString();
                if (QFileInfo(path).exists()) {
                    SVDEBUG << "MainWindow::handleOSCMessage: Refusing to overwrite existing file in export" << endl;
                } else {
                    WavFileWriter writer(path,
                                         getMainModel()->getSampleRate(),
                                         getMainModel()->getChannelCount(),
                                         WavFileWriter::WriteToTemporary);
                    MultiSelection ms = m_viewManager->getSelection();
                    if (!ms.getSelections().empty()) {
                        writer.writeModel(getMainModel(), &ms);
                    } else {
                        writer.writeModel(getMainModel());
                    }
                }
            }
        }

    } else if (message.getMethod() == "jump" ||
               message.getMethod() == "play") {

        if (getMainModel()) {

            sv_frame_t frame = m_viewManager->getPlaybackFrame();
            bool selection = false;
            bool play = (message.getMethod() == "play");

            if (message.getArgCount() == 1) {

                if (message.getArg(0).canConvert(QVariant::String) &&
                    message.getArg(0).toString() == "selection") {

                    selection = true;

                } else if (message.getArg(0).canConvert(QVariant::String) &&
                           message.getArg(0).toString() == "end") {

                    frame = getMainModel()->getEndFrame();

                } else if (message.getArg(0).canConvert(QVariant::Double)) {

                    double time = message.getArg(0).toDouble();
                    if (time < 0.0) time = 0.0;

                    frame = lrint(time * getMainModel()->getSampleRate());
                }
            }

            if (frame > getMainModel()->getEndFrame()) {
                frame = getMainModel()->getEndFrame();
            }

            if (play) {
                m_viewManager->setPlaySelectionMode(selection);
            } 

            if (selection) {
                MultiSelection::SelectionList sl = m_viewManager->getSelections();
                if (!sl.empty()) {
                    frame = sl.begin()->getStartFrame();
                }
            }

            m_viewManager->setPlaybackFrame(frame);

            if (play && !m_playSource->isPlaying()) {
                m_playSource->play(frame);
            }
        }

    } else if (message.getMethod() == "ffwd") {

        if (message.getArgCount() == 1) {

            if (message.getArg(0).canConvert(QVariant::String) &&
                message.getArg(0).toString() == "similar") {

                ffwdSimilar();
            }
        } else {

            ffwd();
        }

    } else if (message.getMethod() == "rewind") {

        if (message.getArgCount() == 1) {

            if (message.getArg(0).canConvert(QVariant::String) &&
                message.getArg(0).toString() == "similar") {

                rewindSimilar();
            }
        } else {

            rewind();
        }

    } else if (message.getMethod() == "stop") {
            
        if (m_playSource->isPlaying()) m_playSource->stop();

    } else if (message.getMethod() == "loop") {

        if (message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {

            QString str = message.getArg(0).toString();
            if (str == "on") {
                m_viewManager->setPlayLoopMode(true);
            } else if (str == "off") {
                m_viewManager->setPlayLoopMode(false);
            }
        }

    } else if (message.getMethod() == "solo") {

        if (message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {

            QString str = message.getArg(0).toString();
            if (str == "on") {
                m_viewManager->setPlaySoloMode(true);
            } else if (str == "off") {
                m_viewManager->setPlaySoloMode(false);
            }
        }

    } else if (message.getMethod() == "select" ||
               message.getMethod() == "addselect") {

        if (getMainModel()) {

            sv_frame_t f0 = getMainModel()->getStartFrame();
            sv_frame_t f1 = getMainModel()->getEndFrame();

            bool done = false;

            if (message.getArgCount() == 2 &&
                message.getArg(0).canConvert(QVariant::Double) &&
                message.getArg(1).canConvert(QVariant::Double)) {
                
                double t0 = message.getArg(0).toDouble();
                double t1 = message.getArg(1).toDouble();
                if (t1 < t0) { double temp = t0; t0 = t1; t1 = temp; }
                if (t0 < 0.0) t0 = 0.0;
                if (t1 < 0.0) t1 = 0.0;

                f0 = lrint(t0 * getMainModel()->getSampleRate());
                f1 = lrint(t1 * getMainModel()->getSampleRate());
                
                Pane *pane = m_paneStack->getCurrentPane();
                Layer *layer = 0;
                if (pane) layer = pane->getSelectedLayer();
                if (layer) {
                    int resolution;
                    layer->snapToFeatureFrame(pane, f0, resolution,
                                              Layer::SnapLeft);
                    layer->snapToFeatureFrame(pane, f1, resolution,
                                              Layer::SnapRight);
                }

            } else if (message.getArgCount() == 1 &&
                       message.getArg(0).canConvert(QVariant::String)) {

                QString str = message.getArg(0).toString();
                if (str == "none") {
                    m_viewManager->clearSelections();
                    done = true;
                }
            }

            if (!done) {
                if (message.getMethod() == "select") {
                    m_viewManager->setSelection(Selection(f0, f1));
                } else {
                    m_viewManager->addSelection(Selection(f0, f1));
                }
            }
        }

    } else if (message.getMethod() == "add") {

        if (getMainModel()) {

            if (message.getArgCount() >= 1 &&
                message.getArg(0).canConvert(QVariant::String)) {

                int channel = -1;
                if (message.getArgCount() == 2 &&
                    message.getArg(0).canConvert(QVariant::Int)) {
                    channel = message.getArg(0).toInt();
                    if (channel < -1 ||
                        channel > int(getMainModel()->getChannelCount())) {
                        cerr << "WARNING: MainWindow::handleOSCMessage: channel "
                                  << channel << " out of range" << endl;
                        channel = -1;
                    }
                }

                QString str = message.getArg(0).toString();
                
                LayerFactory::LayerType type =
                    LayerFactory::getInstance()->getLayerTypeForName(str);

                if (type == LayerFactory::UnknownLayer) {
                    cerr << "WARNING: MainWindow::handleOSCMessage: unknown layer "
                              << "type " << str << endl;
                } else {

                    LayerConfiguration configuration(type,
                                                     getMainModel(),
                                                     channel);
                    
                    addPane(configuration,
                            tr("Add %1 Pane")
                            .arg(LayerFactory::getInstance()->
                                 getLayerPresentationName(type)));
                }
            }
        }

    } else if (message.getMethod() == "undo") {

        CommandHistory::getInstance()->undo();

    } else if (message.getMethod() == "redo") {

        CommandHistory::getInstance()->redo();

    } else if (message.getMethod() == "set") {

        if (message.getArgCount() == 2 &&
            message.getArg(0).canConvert(QVariant::String) &&
            message.getArg(1).canConvert(QVariant::Double)) {

            QString property = message.getArg(0).toString();
            float value = (float)message.getArg(1).toDouble();

            if (property == "gain") {
                if (value < 0.0) value = 0.0;
                m_mainLevelPan->setLevel(value);
                if (m_playTarget) m_playTarget->setOutputGain(value);
            } else if (property == "speedup") {
                m_playSpeed->setMappedValue(value);
            } else if (property == "overlays") {
                if (value < 0.5) {
                    m_viewManager->setOverlayMode(ViewManager::NoOverlays);
                } else if (value < 1.5) {
                    m_viewManager->setOverlayMode(ViewManager::StandardOverlays);
                } else {
                    m_viewManager->setOverlayMode(ViewManager::AllOverlays);
                }                    
            } else if (property == "zoomwheels") {
                m_viewManager->setZoomWheelsEnabled(value > 0.5);
            } else if (property == "propertyboxes") {
                bool toggle = ((value < 0.5) !=
                               (m_paneStack->getLayoutStyle() == PaneStack::NoPropertyStacks));
                if (toggle) togglePropertyBoxes();
            }
                
        } else {
            PropertyContainer *container = 0;
            Pane *pane = m_paneStack->getCurrentPane();
            if (pane &&
                message.getArgCount() == 3 &&
                message.getArg(0).canConvert(QVariant::String) &&
                message.getArg(1).canConvert(QVariant::String) &&
                message.getArg(2).canConvert(QVariant::String)) {
                if (message.getArg(0).toString() == "pane") {
                    container = pane->getPropertyContainer(0);
                } else if (message.getArg(0).toString() == "layer") {
                    container = pane->getSelectedLayer();
                }
            }
            if (container) {
                QString nameString = message.getArg(1).toString();
                QString valueString = message.getArg(2).toString();
                Command *c = container->getSetPropertyCommand
                    (nameString, valueString);
                if (c) CommandHistory::getInstance()->addCommand(c, true, true);
            }
        }

    } else if (message.getMethod() == "setcurrent") {

        int paneIndex = -1, layerIndex = -1;
        bool wantLayer = false;

        if (message.getArgCount() >= 1 &&
            message.getArg(0).canConvert(QVariant::Int)) {

            paneIndex = message.getArg(0).toInt() - 1;

            if (message.getArgCount() >= 2 &&
                message.getArg(1).canConvert(QVariant::Int)) {
                wantLayer = true;
                layerIndex = message.getArg(1).toInt() - 1;
            }
        }

        if (paneIndex >= 0 && paneIndex < m_paneStack->getPaneCount()) {
            Pane *pane = m_paneStack->getPane(paneIndex);
            m_paneStack->setCurrentPane(pane);
            if (layerIndex >= 0 && layerIndex < pane->getLayerCount()) {
                Layer *layer = pane->getLayer(layerIndex);
                m_paneStack->setCurrentLayer(pane, layer);
            } else if (wantLayer && layerIndex == -1) {
                m_paneStack->setCurrentLayer(pane, 0);
            }
        }

    } else if (message.getMethod() == "delete") {

        if (message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {
            
            QString target = message.getArg(0).toString();

            if (target == "pane") {

                deleteCurrentPane();

            } else if (target == "layer") {

                deleteCurrentLayer();

            } else {
                
                cerr << "WARNING: MainWindow::handleOSCMessage: Unknown delete target " << target << endl;
            }
        }

    } else if (message.getMethod() == "zoom") {

        if (message.getArgCount() == 1) {
            if (message.getArg(0).canConvert(QVariant::String) &&
                message.getArg(0).toString() == "in") {
                zoomIn();
            } else if (message.getArg(0).canConvert(QVariant::String) &&
                       message.getArg(0).toString() == "out") {
                zoomOut();
            } else if (message.getArg(0).canConvert(QVariant::String) &&
                       message.getArg(0).toString() == "default") {
                zoomDefault();
            } else if (message.getArg(0).canConvert(QVariant::String) &&
                       message.getArg(0).toString() == "fit") {
                zoomToFit();
            } else if (message.getArg(0).canConvert(QVariant::Double)) {
                double level = message.getArg(0).toDouble();
                Pane *currentPane = m_paneStack->getCurrentPane();
                if (level < 1.0) level = 1.0;
                if (currentPane) currentPane->setZoomLevel(int(lrint(level)));
            }
        }

    } else if (message.getMethod() == "zoomvertical") {

        Pane *pane = m_paneStack->getCurrentPane();
        Layer *layer = 0;
        if (pane && pane->getLayerCount() > 0) {
            layer = pane->getLayer(pane->getLayerCount() - 1);
        }
        int defaultStep = 0;
        int steps = 0;
        if (layer) {
            steps = layer->getVerticalZoomSteps(defaultStep);
            if (message.getArgCount() == 1 && steps > 0) {
                if (message.getArg(0).canConvert(QVariant::String) &&
                    message.getArg(0).toString() == "in") {
                    int step = layer->getCurrentVerticalZoomStep() + 1;
                    if (step < steps) layer->setVerticalZoomStep(step);
                } else if (message.getArg(0).canConvert(QVariant::String) &&
                           message.getArg(0).toString() == "out") {
                    int step = layer->getCurrentVerticalZoomStep() - 1;
                    if (step >= 0) layer->setVerticalZoomStep(step);
                } else if (message.getArg(0).canConvert(QVariant::String) &&
                           message.getArg(0).toString() == "default") {
                    layer->setVerticalZoomStep(defaultStep);
                }
            } else if (message.getArgCount() == 2) {
                if (message.getArg(0).canConvert(QVariant::Double) &&
                    message.getArg(1).canConvert(QVariant::Double)) {
                    double min = message.getArg(0).toDouble();
                    double max = message.getArg(1).toDouble();
                    layer->setDisplayExtents(min, max);
                }
            }
        }

    } else if (message.getMethod() == "quit") {
        
        m_abandoning = true;
        close();

    } else if (message.getMethod() == "resize") {
        
        if (message.getArgCount() == 2) {

            int width = 0, height = 0;

            if (message.getArg(1).canConvert(QVariant::Int)) {

                height = message.getArg(1).toInt();

                if (message.getArg(0).canConvert(QVariant::String) &&
                    message.getArg(0).toString() == "pane") {

                    Pane *pane = m_paneStack->getCurrentPane();
                    if (pane) pane->resize(pane->width(), height);

                } else if (message.getArg(0).canConvert(QVariant::Int)) {

                    width = message.getArg(0).toInt();
                    resize(width, height);
                }
            }
        }

    } else if (message.getMethod() == "transform") {

        Pane *pane = m_paneStack->getCurrentPane();

        if (getMainModel() &&
            pane &&
            message.getArgCount() == 1 &&
            message.getArg(0).canConvert(QVariant::String)) {

            TransformId transformId = message.getArg(0).toString();

	    Transform transform = TransformFactory::getInstance()->
                getDefaultTransformFor(transformId);
	    
            Layer *newLayer = m_document->createDerivedLayer
                (transform, getMainModel());

            if (newLayer) {
                m_document->addLayerToView(pane, newLayer);
                m_recentTransforms.add(transformId);
                m_paneStack->setCurrentLayer(pane, newLayer);
            }
        }

    } else {
        cerr << "WARNING: MainWindow::handleOSCMessage: Unknown or unsupported "
                  << "method \"" << message.getMethod()
                  << "\"" << endl;
    }
            
}