diff options
Diffstat (limited to 'muse_qt4_evolution/muse/midirack.cpp')
| -rw-r--r-- | muse_qt4_evolution/muse/midirack.cpp | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/midirack.cpp b/muse_qt4_evolution/muse/midirack.cpp new file mode 100644 index 00000000..0b054729 --- /dev/null +++ b/muse_qt4_evolution/muse/midirack.cpp @@ -0,0 +1,208 @@ +//============================================================================= +// 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 "icons.h" +#include "gconfig.h" +#include "midirack.h" +#include "track.h" +#include "song.h" +#include "midiplugin.h" +#include "audio.h" +#include "muse.h" +#include "gui.h" + +//--------------------------------------------------------- +// MidiRack +//--------------------------------------------------------- + +MidiRack::MidiRack(QWidget* parent, MidiTrackBase* t) + : QListWidget(parent) + { + setUniformItemSizes(true); + setAlternatingRowColors(true); + 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("midi effect rack")); + } + +//--------------------------------------------------------- +// sizeHint +//--------------------------------------------------------- + +QSize MidiRack::sizeHint() const + { + QFontMetrics fm(font()); + int h = fm.lineSpacing() * MidiPipelineDepth + 1; + return QSize(STRIP_WIDTH, h); + } + +//--------------------------------------------------------- +// songChanged +//--------------------------------------------------------- + +void MidiRack::songChanged(int typ) + { + if (typ & (SC_ROUTE | SC_RACK)) { + clear(); + foreach(MidiPluginI* plugin, *(track->pipeline())) { + QListWidgetItem* item = new QListWidgetItem; + 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); + addItem(item); + } + } + } + +//--------------------------------------------------------- +// contextMenuEvent +//--------------------------------------------------------- + +void MidiRack::contextMenuEvent(QContextMenuEvent* ev) + { + QPoint pt(ev->pos()); + QListWidgetItem* item = itemAt(pt); + MidiPipeline* pipe = track->pipeline(); + + 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")); + QAction* bypassAction = menu->addAction(tr("bypass")); + QAction* showAction = menu->addAction(tr("show gui")); + QAction* newAction = menu->addAction(tr("new")); + bypassAction->setCheckable(true); + showAction->setCheckable(true); + + int idx = -1; + if (item == 0) { + upAction->setEnabled(false); + downAction->setEnabled(false); + removeAction->setEnabled(false); + bypassAction->setEnabled(false); + showAction->setEnabled(false); + } + else { + idx = row(item); + upAction->setEnabled(idx != 0); + downAction->setEnabled(idx < (pipe->size() - 1)); + showAction->setEnabled(pipe->hasGui(idx)); + bypassAction->setEnabled(true); + bypassAction->setChecked(!pipe->isOn(idx)); + showAction->setChecked(pipe->guiVisible(idx)); + } + + QAction* sel = menu->exec(mapToGlobal(pt), newAction); + delete menu; + if (sel == 0) + return; + + if (sel == newAction) { + selectNew(); + return; + } + if (sel == removeAction) { + audio->msgAddMidiPlugin(track, idx, 0); + } + 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 == upAction) { + if (idx > 0) { + setCurrentRow(idx-1); + pipe->move(idx, true); + } + } + else if (sel == downAction) { + if (idx < (pipe->size() - 1)) { + setCurrentRow(idx+1); + pipe->move(idx, false); + } + } + song->update(SC_RACK); + } + +//--------------------------------------------------------- +// doubleClicked +// toggle gui +//--------------------------------------------------------- + +void MidiRack::doubleClicked(QListWidgetItem* it) + { + if (track == 0) + return; + int idx = row(it); + MidiPipeline* pipe = track->pipeline(); + bool flag = !pipe->guiVisible(idx); + pipe->showGui(idx, flag); + song->update(SC_RACK); + } + +//--------------------------------------------------------- +// mouseDoubleClickEvent +//--------------------------------------------------------- + +void MidiRack::mouseDoubleClickEvent(QMouseEvent* event) + { + QListWidgetItem* it = itemAt(event->pos()); + if (it || (track == 0)) { + QListWidget::mouseDoubleClickEvent(event); + return; + } + selectNew(); + } + +//--------------------------------------------------------- +// selectNew +//--------------------------------------------------------- + +void MidiRack::selectNew() + { + MidiPlugin* plugin = MidiPluginDialog::getPlugin(this); + if (plugin) { + MidiPluginI* plugi = plugin->instantiate(track); + if (plugi == 0) { + printf("cannot instantiate plugin <%s>\n", + plugin->name().toLatin1().data()); + delete plugi; + } + else + audio->msgAddMidiPlugin(track, track->pipeline()->size(), plugi); + song->update(SC_RACK); + } + } + |