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Diffstat (limited to 'muse_qt4_evolution/muse/rack.cpp')
| -rw-r--r-- | muse_qt4_evolution/muse/rack.cpp | 445 |
1 files changed, 445 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/rack.cpp b/muse_qt4_evolution/muse/rack.cpp new file mode 100644 index 00000000..dbd76804 --- /dev/null +++ b/muse_qt4_evolution/muse/rack.cpp @@ -0,0 +1,445 @@ +//============================================================================= +// MusE +// Linux Music Editor +// $Id:$ +// +// Copyright (C) 2002-2006 by Werner Schweer and others +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License version 2. +// +// 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., 675 Mass Ave, Cambridge, MA 02139, USA. +//============================================================================= + +#include "rack.h" +#include "song.h" +#include "audio.h" +#include "icons.h" +#include "gconfig.h" +#include "pipeline.h" +#include "auxplugin.h" +#include "plugingui.h" +#include "widgets/filedialog.h" +#include "muse.h" +#include "gui.h" + +static const int PipelineDepth = 4; + +//--------------------------------------------------------- +// EffectRack +//--------------------------------------------------------- + +EffectRack::EffectRack(QWidget* parent, AudioTrack* t, bool flag) + : QListWidget(parent) + { + setUniformItemSizes(true); + setAlternatingRowColors(true); + prefader = flag; + setAttribute(Qt::WA_DeleteOnClose, true); + verticalScrollBar()->setStyle(smallStyle); + + track = t; +// setFont(config.fonts[1]); + + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + + setSelectionMode(QAbstractItemView::SingleSelection); + songChanged(SC_RACK); // force update + connect(this, SIGNAL(itemDoubleClicked(QListWidgetItem*)), + this, SLOT(doubleClicked(QListWidgetItem*))); + connect(song, SIGNAL(songChanged(int)), SLOT(songChanged(int))); + setToolTip(tr("effect rack")); + setAcceptDrops(true); + } + +//--------------------------------------------------------- +// sizeHint +//--------------------------------------------------------- + +QSize EffectRack::sizeHint() const + { + QFontMetrics fm(font()); + int h = fm.lineSpacing() * PipelineDepth + 1; + return QSize(STRIP_WIDTH, h); + } + +//--------------------------------------------------------- +// songChanged +//--------------------------------------------------------- + +void EffectRack::songChanged(int typ) + { + if (!(typ & (SC_ROUTE | SC_RACK))) + return; + + clear(); + Pipeline* pipe = prefader ? track->prePipe() : track->postPipe(); + foreach (PluginI* plugin, *pipe) { + QListWidgetItem* item = new QListWidgetItem(this); + item->setText(plugin->name()); + // tooltip should only be set if name does not fit + // (is elided) + item->setToolTip(plugin->name()); + item->setBackgroundColor(plugin->on() ? Qt::white : Qt::gray); + } + } + +//--------------------------------------------------------- +// menuRequested +//--------------------------------------------------------- + +void EffectRack::contextMenuEvent(QContextMenuEvent* ev) + { + QPoint pt(ev->pos()); + QListWidgetItem* item = itemAt(pt); + + int idx = -1; + QString name; + Pipeline* pipe = prefader ? track->prePipe() : track->postPipe(); + + QMenu* menu = new QMenu; + QAction* upAction = menu->addAction(QIcon(*upIcon), tr("move up")); + QAction* downAction = menu->addAction(QIcon(*downIcon), tr("move down")); + QAction* removeAction = menu->addAction(tr("remove")); + menu->addSeparator(); + QAction* bypassAction = menu->addAction(tr("bypass")); + QAction* showAction = menu->addAction(tr("show gui")); + QAction* showCustomAction = menu->addAction(tr("show native gui")); + menu->addSeparator(); + QAction* newAction = menu->addAction(tr("New Plugin")); + QAction* auxAction = menu->addAction(tr("New Aux Send")); + + bypassAction->setCheckable(true); + showAction->setCheckable(true); + showCustomAction->setCheckable(true); + + if (!item) { + upAction->setEnabled(false); + downAction->setEnabled(false); + removeAction->setEnabled(false); + bypassAction->setEnabled(false); + showAction->setEnabled(false); + showCustomAction->setEnabled(false); + } + else { + idx = row(item); + upAction->setEnabled(idx != 0); + downAction->setEnabled(idx < pipe->size()-1); + idx = item->type(); + showCustomAction->setEnabled(pipe->hasNativeGui(idx)); + bypassAction->setEnabled(true); + showAction->setEnabled(true); + + bypassAction->setChecked(!pipe->isOn(idx)); + showAction->setChecked(pipe->guiVisible(idx)); + showCustomAction->setChecked(pipe->nativeGuiVisible(idx)); + } + if (track->type() != Track::WAVE && track->type() != Track::AUDIO_INPUT) + auxAction->setEnabled(false); + + QAction* sel = menu->exec(mapToGlobal(pt), newAction); + delete menu; + if (sel == 0) + return; + + if (sel == newAction) { + selectNew(); + return; + } + if (sel == removeAction) { + audio->msgAddPlugin(track, idx, 0, prefader); + } + else if (sel == bypassAction) { + bool flag = !pipe->isOn(idx); + pipe->setOn(idx, flag); + } + else if (sel == showAction) { + bool flag = !pipe->guiVisible(idx); + pipe->showGui(idx, flag); + } + else if (sel == showCustomAction) { + bool flag = !pipe->nativeGuiVisible(idx); + pipe->showNativeGui(idx, flag); + } + else if (sel == upAction) { + if (idx > 0) { + setCurrentRow(idx-1); + pipe->move(idx, true); + } + } + else if (sel == downAction) { + if (idx < (PipelineDepth-1)) { + setCurrentRow(idx+1); + pipe->move(idx, false); + } + } + else if (sel == auxAction) + addPlugin(auxPlugin); + song->update(SC_RACK); + } + +//--------------------------------------------------------- +// doubleClicked +// toggle gui and open requester if needed. +//--------------------------------------------------------- + +void EffectRack::doubleClicked(QListWidgetItem* it) + { + if (track == 0) + return; + int idx = row(it); + Pipeline* pipe = prefader ? track->prePipe() : track->postPipe(); + bool flag = !pipe->guiVisible(idx); + pipe->showGui(idx, flag); + } + +//--------------------------------------------------------- +// startDrag +//--------------------------------------------------------- + +void EffectRack::startDrag(int idx) + { + QString buffer; + AL::Xml xml(NULL); + xml.setString(&buffer); + Pipeline* pipe = prefader ? track->prePipe() : track->postPipe(); + if (pipe) { + if ((*pipe)[idx] != NULL) { + PluginI *plug = (*pipe)[idx]; + xml.header(); + xml.stag("muse version=\"1.0\""); + // header info + plug->writeConfiguration1(xml, prefader); // wC1 does not append endtag + // parameters + int noParams = plug->plugin()->parameter(); + for (int i=0;i<noParams;i++) { + QString fval; + QString name(plug->getParameterName(i)); + fval.setNum(plug->param(i)); // wierd stuff to avoid localization + QString str="<control name=\"" + name + "\" val=\""+ fval+"\" />"; + xml.put(str.toLatin1().data()); + printf("%s\n",str.toLatin1().data()); + } + xml.etag("plugin"); + + xml.etag("muse"); + } + else { + //printf("no plugin!\n"); + return; + } + } + else { + //printf("no pipe!\n"); + return; + } + //printf("and i wish you were here: %s\n", xml.readAll().toLatin1().data()); + QByteArray xmldump = xml.readAll().toLatin1(); + //printf("xmldump=%s\n",xmldump.data()); + QDrag *drag = new QDrag(this); + QMimeData *mime = new QMimeData(); + mime->setData("text/x-muse-plugin", xmldump); + drag->setMimeData(mime); +/* Qt::DropAction dropAction =*/ drag->start(); + } + +//--------------------------------------------------------- +// startDrag +//--------------------------------------------------------- + +void EffectRack::dropEvent(QDropEvent *event) + { + // printf("drop!\n"); + QString text; + QListWidgetItem* i = itemAt( (event->pos()) ); + int idx = -1; + if (i) + idx = row(i); + + Pipeline* pipe = prefader ? track->prePipe() : track->postPipe(); + if (pipe) { + if (i) { + if(!QMessageBox::question(this, tr("Replace effect"),tr("Do you really want to replace the effect %1?").arg(pipe->name(idx)), + tr("&Yes"), tr("&No"), + QString::null, 0, 1 )) + { + audio->msgAddPlugin(track, idx, 0, prefader); + song->update(SC_RACK); + } + else { + printf("nothing here\n"); + return; + } + } + if(event->mimeData()->hasText()) + { + //printf("has text\n"); + text = event->mimeData()->text().trimmed(); + if (QString(text).endsWith(".pre")) + { + QUrl url(text); + QString newPath = url.path(); + + QFile xmlfile(newPath); + xmlfile.open(QIODevice::ReadOnly); + QDomDocument doc; + doc.setContent(&xmlfile); + QDomNode node = doc.documentElement().firstChild(); + initPlugin(node, idx); + } + } + else if (event->mimeData()->hasFormat("text/x-muse-plugin")) + { + QByteArray outxml = event->mimeData()->data("text/x-muse-plugin"); + //printf("DATA:%s\n",outxml.data()); + QDomDocument doc; + doc.setContent(outxml); + QDomNode node = doc.documentElement().firstChild(); + + initPlugin(node, idx); + } + } + } + +//--------------------------------------------------------- +// dragEnterEvent +//--------------------------------------------------------- +void EffectRack::dragEnterEvent(QDragEnterEvent *event) + { + //printf("dragEnterEvent\n"); + //if (event->mimeData()->hasFormat("text/x-muse-plugin")) + event->acceptProposedAction(); + } + +//--------------------------------------------------------- +// dragMoveEvent +//--------------------------------------------------------- +void EffectRack::dragMoveEvent(QDragMoveEvent *event) + { + //printf("dragMoveEvent\n"); + //if (event->mimeData()->hasFormat("text/x-muse-plugin")) + event->acceptProposedAction(); + } + +//--------------------------------------------------------- +// contentsMousePressEvent +//--------------------------------------------------------- +void EffectRack::mousePressEvent(QMouseEvent *event) + { + //printf("mousePressEvent\n"); + if(event->button() & Qt::LeftButton) { + dragPos = event->pos(); + } + QListWidget::mousePressEvent(event); + } + +//--------------------------------------------------------- +// contentsMouseMoveEvent +//--------------------------------------------------------- +void EffectRack::mouseMoveEvent(QMouseEvent *event) + { + if (event->buttons() & Qt::LeftButton) { + int distance = (dragPos-event->pos()).manhattanLength(); + if (distance > QApplication::startDragDistance()) { + QListWidgetItem *i = itemAt( event->pos() ); + int idx = row(i); + startDrag(idx); + } + } + QListWidget::mouseMoveEvent(event); + } + + +//--------------------------------------------------------- +// initPlugin +//--------------------------------------------------------- + +void EffectRack::initPlugin(QDomNode &node, int idx) + { + QDomElement e = node.toElement(); + //QString version = e.attribute("version"); + QString file = e.attribute("file"); + QString label = e.attribute("label"); + + //printf("version=%s file=%s label=%s channel=%d\n",version.toLatin1().data(),file.toLatin1().data(), label.toLatin1().data(), channel); + + //Plugin* plugin = PluginDialog::getPlugin(this); + Plugin* plugin = plugins.find(file, label); + if (plugin) { + PluginI* plugi = new PluginI(track); + if (plugi->initPluginInstance(plugin, track->channels())) { + printf("cannot instantiate plugin <%s>\n", + plugin->name().toLatin1().data()); + delete plugi; + } + else { + audio->msgAddPlugin(track, idx, plugi, prefader); + song->update(SC_RACK); + int i = 0; + for (QDomNode n = node.firstChild(); !n.isNull(); n = n.nextSibling()) { + QDomElement e = n.toElement(); + if (e.nodeName() == "control") { + //QString name = e.attribute("name"); // currently this value is just thrown. + QString value = e.attribute("val"); + QLocale::setDefault(QLocale::C); + double val = value.toFloat(); + CVal cval; + cval.f = val; + song->setControllerVal(plugi->track(), plugi->controller(i), cval); + i++; + } + } + } + } + } + +//--------------------------------------------------------- +// mouseDoubleClickEvent +//--------------------------------------------------------- + +void EffectRack::mouseDoubleClickEvent(QMouseEvent* event) + { + QListWidgetItem* it = itemAt(event->pos()); + if (it || (track == 0)) { + QListWidget::mouseDoubleClickEvent(event); + return; + } + selectNew(); + } + +//--------------------------------------------------------- +// selectNew +//--------------------------------------------------------- + +void EffectRack::selectNew() + { + Plugin* plugin = PluginDialog::getPlugin(this); + addPlugin(plugin); + song->update(SC_RACK); + } + +//--------------------------------------------------------- +// addPlugin +//--------------------------------------------------------- + +void EffectRack::addPlugin(Plugin* plugin) + { + if (plugin == 0) + return; + PluginI* plugi = new PluginI(track); + if (plugi->initPluginInstance(plugin, track->channels())) { + printf("cannot instantiate plugin <%s>\n", + plugin->name().toLatin1().data()); + delete plugi; + } + else + audio->msgAddPlugin(track, -1, plugi, prefader); + } + |