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// qsamplerInstrumentList.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. |
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|
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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|
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*****************************************************************************/ |
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|
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#include "qsamplerAbout.h" |
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#include "qsamplerInstrumentList.h" |
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|
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#include "qsamplerInstrument.h" |
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#include "qsamplerInstrumentForm.h" |
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|
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#include "qsamplerMainForm.h" |
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|
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#include <qaction.h> |
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#include <qfileinfo.h> |
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#include <qpopupmenu.h> |
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|
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// Needed for lroundf() |
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#include <math.h> |
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|
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#ifndef CONFIG_ROUND |
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static long lroundf ( float fval ) |
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{ |
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double fint = 0.0; |
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float frac = float(::modf(fval, &fint)); |
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long lint = long(fint); |
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if (frac >= +0.5f) |
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lint++; |
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else |
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if (frac <= -0.5f) |
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lint--; |
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return lint; |
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} |
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#endif |
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|
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|
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//---------------------------------------------------------------------- |
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// class qsamplerInstrumentGroup -- custom group list view item. |
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// |
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|
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// Constructors. |
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qsamplerInstrumentGroup::qsamplerInstrumentGroup ( |
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qsamplerInstrumentList *pListView, const QString& sName, |
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QListViewItem *pItemAfter ) |
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: QListViewItem(pListView, pItemAfter ? pItemAfter : pListView->lastItem()) |
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{ |
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QListViewItem::setRenameEnabled(0, true); |
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|
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QListViewItem::setPixmap(0, QPixmap::fromMimeSource("itemGroup.png")); |
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QListViewItem::setText(0, sName); |
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} |
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|
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|
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qsamplerInstrumentGroup::qsamplerInstrumentGroup ( |
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qsamplerInstrumentGroup *pGroupItem, const QString& sName ) |
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: QListViewItem(pGroupItem, sName) |
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{ |
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QListViewItem::setRenameEnabled(0, true); |
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|
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QListViewItem::setPixmap(0, QPixmap::fromMimeSource("itemGroup.png")); |
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} |
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|
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|
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// Default destructor. |
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qsamplerInstrumentGroup::~qsamplerInstrumentGroup (void) |
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{ |
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} |
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|
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|
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// Instance accessors. |
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void qsamplerInstrumentGroup::setName ( const QString& sName ) |
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{ |
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QListViewItem::setText(0, sName); |
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} |
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|
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|
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QString qsamplerInstrumentGroup::name (void) const |
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{ |
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return QListViewItem::text(0); |
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} |
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|
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|
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qsamplerInstrumentGroup *qsamplerInstrumentGroup::groupItem (void) const |
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{ |
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QListViewItem *pParent = QListViewItem::parent(); |
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while (pParent && pParent->rtti() != qsamplerInstrumentList::Group) |
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pParent = pParent->parent(); |
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return static_cast<qsamplerInstrumentGroup *> (pParent); |
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} |
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|
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|
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qsamplerInstrumentList *qsamplerInstrumentGroup::listView (void) const |
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{ |
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return static_cast<qsamplerInstrumentList *> (QListViewItem::listView()); |
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} |
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|
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|
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// To show up whether its open or not. |
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void qsamplerInstrumentGroup::setOpen ( bool bOpen ) |
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{ |
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// Set the proper pixmap of this... |
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if (rtti() == qsamplerInstrumentList::Group) { |
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QListViewItem::setPixmap(0, QPixmap::fromMimeSource( |
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bOpen ? "itemGroupOpen.png" : "itemGroup.png")); |
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} |
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// Open it up... |
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QListViewItem::setOpen(bOpen); |
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|
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// All ancestors should be also visible. |
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if (bOpen && QListViewItem::parent()) |
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QListViewItem::parent()->setOpen(true); |
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} |
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|
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|
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// To virtually distinguish between list view items. |
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int qsamplerInstrumentGroup::rtti (void) const |
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{ |
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return qsamplerInstrumentList::Group; |
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} |
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|
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|
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//---------------------------------------------------------------------- |
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// class qsamplerInstrumentItem -- custom file list view item. |
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// |
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|
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// Constructors. |
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qsamplerInstrumentItem::qsamplerInstrumentItem ( |
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qsamplerInstrumentList *pListView, |
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qsamplerInstrument *pInstrument, |
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QListViewItem *pItemAfter ) |
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: qsamplerInstrumentGroup(pListView, pInstrument->name(), pItemAfter) |
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{ |
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m_pInstrument = pInstrument; |
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|
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update(); |
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} |
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|
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qsamplerInstrumentItem::qsamplerInstrumentItem ( |
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qsamplerInstrumentGroup *pGroupItem, |
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qsamplerInstrument *pInstrument ) |
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: qsamplerInstrumentGroup(pGroupItem, pInstrument->name()) |
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{ |
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m_pInstrument = pInstrument; |
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|
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update(); |
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} |
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|
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|
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// Default destructor. |
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qsamplerInstrumentItem::~qsamplerInstrumentItem (void) |
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{ |
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if (m_pInstrument) |
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delete m_pInstrument; |
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} |
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|
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|
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// To virtually distinguish between list view items. |
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int qsamplerInstrumentItem::rtti (void) const |
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{ |
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return qsamplerInstrumentList::Item; |
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} |
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|
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|
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// Payload accessor. |
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qsamplerInstrument *qsamplerInstrumentItem::instrument (void) const |
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{ |
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return m_pInstrument; |
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} |
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|
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|
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// Item refreshment. |
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void qsamplerInstrumentItem::update (void) |
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{ |
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QListViewItem::setPixmap(0, QPixmap::fromMimeSource("itemFile.png")); |
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|
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const QString s = "-"; |
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if (m_pInstrument) { |
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setText(0, m_pInstrument->name()); |
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setText(1, QString::number(m_pInstrument->bank())); |
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setText(2, QString::number(m_pInstrument->program() + 1)); |
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setText(3, m_pInstrument->engineName()); |
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setText(4, QFileInfo(m_pInstrument->instrumentFile()).fileName()); |
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setText(5, QString::number(m_pInstrument->instrumentNr())); |
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setText(6, QString::number(::lroundf(100.0f * m_pInstrument->volume()))); |
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QString sLoadMode = s; |
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switch (m_pInstrument->loadMode()) { |
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case 3: |
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sLoadMode = QObject::tr("Persistent"); |
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break; |
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case 2: |
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sLoadMode = QObject::tr("On Demand Hold"); |
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break; |
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case 1: |
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sLoadMode = QObject::tr("On Demand"); |
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break; |
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} |
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setText(7, sLoadMode); |
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} else { |
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for (int i = 0; i < listView()->columns(); i++) |
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setText(i, s); |
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} |
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} |
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|
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|
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//---------------------------------------------------------------------------- |
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// qsamplerInstrumentList -- MIDI instrument list view. |
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// |
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|
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// Constructor. |
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qsamplerInstrumentList::qsamplerInstrumentList ( |
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QWidget *pParent, const char *pszName ) |
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: QListView(pParent, pszName) |
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{ |
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// QListView::setRootIsDecorated(true); |
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QListView::setResizeMode(QListView::NoColumn); |
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// QListView::setAcceptDrops(true); |
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QListView::setDragAutoScroll(true); |
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QListView::setSizePolicy( |
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QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding)); |
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// QListView::setShowToolTips(false); |
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QListView::setSortColumn(-1); |
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|
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QListView::addColumn(tr("Name")); |
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QListView::addColumn(tr("Bank")); |
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QListView::addColumn(tr("Prog")); |
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QListView::addColumn(tr("Engine")); |
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QListView::addColumn(tr("File")); |
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QListView::addColumn(tr("Nr")); |
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QListView::addColumn(tr("Vol")); |
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QListView::addColumn(tr("Mode")); |
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|
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QListView::setColumnAlignment(1, Qt::AlignHCenter); // Bank |
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QListView::setColumnAlignment(2, Qt::AlignHCenter); // Prog |
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QListView::setColumnAlignment(5, Qt::AlignHCenter); // Nr |
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QListView::setColumnAlignment(6, Qt::AlignHCenter); // Vol |
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|
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QListView::setColumnWidth(0, 60); // Name |
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QListView::setColumnWidth(0, 120); // File |
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|
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m_pNewGroupAction = new QAction(tr("New &Group"), tr("Ctrl+G"), this); |
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m_pNewItemAction = new QAction(tr("New &Instrument..."), tr("Ctrl+I"), this); |
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m_pEditItemAction = new QAction(tr("&Edit..."), tr("Ctrl+E"), this); |
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m_pRenameAction = new QAction(tr("&Rename"), tr("Ctrl+R"), this); |
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m_pDeleteAction = new QAction(tr("&Delete"), tr("Ctrl+D"), this); |
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m_pRefreshAction = new QAction(tr("Re&fresh"), tr("Ctrl+F"), this); |
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|
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QObject::connect(m_pNewGroupAction, |
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SIGNAL(activated()), |
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SLOT(newGroupSlot())); |
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QObject::connect(m_pNewItemAction, |
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SIGNAL(activated()), |
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SLOT(newItemSlot())); |
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QObject::connect(m_pEditItemAction, |
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SIGNAL(activated()), |
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SLOT(editItemSlot())); |
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QObject::connect(m_pRenameAction, |
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SIGNAL(activated()), |
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SLOT(renameSlot())); |
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QObject::connect(m_pDeleteAction, |
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SIGNAL(activated()), |
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SLOT(deleteSlot())); |
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QObject::connect(m_pRefreshAction, |
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SIGNAL(activated()), |
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SLOT(refresh())); |
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|
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QObject::connect(this, |
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SIGNAL(selectionChanged()), |
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SLOT(selectionChangedSlot())); |
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QObject::connect(this, |
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SIGNAL(doubleClicked(QListViewItem*, const QPoint&, int)), |
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SLOT(activatedSlot(QListViewItem*))); |
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QObject::connect(this, |
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SIGNAL(returnPressed(QListViewItem*)), |
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SLOT(activatedSlot(QListViewItem*))); |
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QObject::connect(this, |
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SIGNAL(itemRenamed(QListViewItem*,int)), |
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SLOT(renamedSlot(QListViewItem*))); |
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|
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selectionChangedSlot(); |
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} |
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|
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|
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// Default destructor. |
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qsamplerInstrumentList::~qsamplerInstrumentList (void) |
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{ |
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delete m_pNewGroupAction; |
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delete m_pNewItemAction; |
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delete m_pEditItemAction; |
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delete m_pRenameAction; |
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delete m_pDeleteAction; |
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} |
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|
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|
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// Add a new instrument item, optionally under a given group. |
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qsamplerInstrumentItem *qsamplerInstrumentList::addItem ( |
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qsamplerInstrument *pInstrument, |
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qsamplerInstrumentGroup *pParentGroup ) |
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{ |
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qsamplerInstrumentItem *pItem = findItem(pInstrument); |
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if (pItem == NULL) { |
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if (pParentGroup) |
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pItem = new qsamplerInstrumentItem(pParentGroup, pInstrument); |
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else |
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pItem = new qsamplerInstrumentItem(this, pInstrument); |
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} |
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QListView::setSelected(pItem, true); |
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return pItem; |
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} |
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|
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|
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// Add a new instrument group, optionally under another group. |
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qsamplerInstrumentGroup *qsamplerInstrumentList::addGroup ( |
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const QString& sName, qsamplerInstrumentGroup *pParentGroup ) |
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{ |
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qsamplerInstrumentGroup *pGroup = findGroup(sName); |
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if (pGroup == NULL) { |
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if (pParentGroup) |
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pGroup = new qsamplerInstrumentGroup(pParentGroup, sName); |
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else |
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pGroup = new qsamplerInstrumentGroup(this, sName); |
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} |
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QListView::setSelected(pGroup, true); |
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return pGroup; |
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} |
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|
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|
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// Find a group item, given its name. |
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qsamplerInstrumentGroup *qsamplerInstrumentList::findGroup ( |
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const QString& sName ) const |
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{ |
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// Iterate all over the place to search for the group. |
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QListViewItemIterator iter((QListView *) this); |
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while (iter.current()) { |
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QListViewItem *pItem = iter.current(); |
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if (pItem->rtti() == Group && pItem->text(0) == sName) |
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return static_cast<qsamplerInstrumentGroup *> (pItem); |
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++iter; |
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} |
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// Not found. |
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return NULL; |
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} |
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|
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|
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// Find a file item, given its name. |
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qsamplerInstrumentItem *qsamplerInstrumentList::findItem ( |
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qsamplerInstrument *pInstrument ) const |
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{ |
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if (pInstrument == NULL) |
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return NULL; |
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|
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// Iterate all over the place to search for the group. |
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QListViewItemIterator iter((QListView *) this); |
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while (iter.current()) { |
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QListViewItem *pListItem = iter.current(); |
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if (pListItem->rtti() == Item) { |
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qsamplerInstrumentItem *pItem |
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= static_cast<qsamplerInstrumentItem *> (pListItem); |
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if (pItem && pItem->instrument() |
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&& pItem->instrument()->bank() == pInstrument->bank() |
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&& pItem->instrument()->program() == pInstrument->program()) |
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return pItem; |
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} |
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++iter; |
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} |
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// Not found. |
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return NULL; |
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} |
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|
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|
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// Find and return the nearest group item... |
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qsamplerInstrumentGroup *qsamplerInstrumentList::groupItem ( |
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QListViewItem *pItem ) const |
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{ |
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while (pItem && pItem->rtti() != Group) |
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pItem = pItem->parent(); |
| 392 |
return static_cast<qsamplerInstrumentGroup *> (pItem); |
| 393 |
} |
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|
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|
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// Add a new group item below the current one. |
| 397 |
void qsamplerInstrumentList::newGroupSlot (void) |
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{ |
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qsamplerInstrumentGroup *pParentGroup |
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= groupItem(QListView::selectedItem()); |
| 401 |
qsamplerInstrumentGroup *pNewGroup |
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= addGroup(tr("New Group"), pParentGroup); |
| 403 |
if (pParentGroup) |
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pParentGroup->setOpen(true); |
| 405 |
if (pNewGroup) |
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pNewGroup->startRename(0); |
| 407 |
|
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selectionChangedSlot(); |
| 409 |
} |
| 410 |
|
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|
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// Add a new instrument item below the current one. |
| 413 |
void qsamplerInstrumentList::newItemSlot (void) |
| 414 |
{ |
| 415 |
qsamplerInstrument *pInstrument = new qsamplerInstrument(); |
| 416 |
|
| 417 |
qsamplerInstrumentForm form(this); |
| 418 |
form.setup(pInstrument); |
| 419 |
if (!form.exec()) { |
| 420 |
delete pInstrument; |
| 421 |
return; |
| 422 |
} |
| 423 |
|
| 424 |
// Check it there's already one instrument item |
| 425 |
// with the very same key (bank, program); |
| 426 |
// if yes, just remove it without prejudice... |
| 427 |
qsamplerInstrumentItem *pItem = findItem(pInstrument); |
| 428 |
if (pItem) |
| 429 |
delete pItem; |
| 430 |
|
| 431 |
pInstrument->map(); |
| 432 |
emit instrumentsChanged(); |
| 433 |
|
| 434 |
qsamplerInstrumentGroup *pParentGroup |
| 435 |
= groupItem(QListView::selectedItem()); |
| 436 |
addItem(pInstrument, pParentGroup); |
| 437 |
if (pParentGroup) |
| 438 |
pParentGroup->setOpen(true); |
| 439 |
|
| 440 |
selectionChangedSlot(); |
| 441 |
} |
| 442 |
|
| 443 |
|
| 444 |
// Edit current item below the current one. |
| 445 |
void qsamplerInstrumentList::editItemSlot (void) |
| 446 |
{ |
| 447 |
QListViewItem *pListItem = QListView::selectedItem(); |
| 448 |
if (pListItem == NULL) |
| 449 |
return; |
| 450 |
if (pListItem->rtti() == Item) { |
| 451 |
qsamplerInstrumentItem *pItem |
| 452 |
= static_cast<qsamplerInstrumentItem *> (pListItem); |
| 453 |
if (pItem && pItem->instrument()) { |
| 454 |
qsamplerInstrumentForm form(this); |
| 455 |
form.setup(pItem->instrument()); |
| 456 |
if (form.exec()) { |
| 457 |
pItem->instrument()->map(); |
| 458 |
emit instrumentsChanged(); |
| 459 |
pItem->update(); |
| 460 |
} |
| 461 |
} |
| 462 |
} |
| 463 |
|
| 464 |
selectionChangedSlot(); |
| 465 |
} |
| 466 |
|
| 467 |
|
| 468 |
// Rename current group/item. |
| 469 |
void qsamplerInstrumentList::renameSlot (void) |
| 470 |
{ |
| 471 |
QListViewItem *pListItem = QListView::selectedItem(); |
| 472 |
if (pListItem) |
| 473 |
pListItem->startRename(0); |
| 474 |
|
| 475 |
selectionChangedSlot(); |
| 476 |
} |
| 477 |
|
| 478 |
|
| 479 |
// Remove current group/item. |
| 480 |
void qsamplerInstrumentList::deleteSlot (void) |
| 481 |
{ |
| 482 |
QListViewItem *pListItem = QListView::selectedItem(); |
| 483 |
if (pListItem) { |
| 484 |
if (pListItem->rtti() == Item) { |
| 485 |
qsamplerInstrumentItem *pItem |
| 486 |
= static_cast<qsamplerInstrumentItem *> (pListItem); |
| 487 |
if (pItem && pItem->instrument()) { |
| 488 |
pItem->instrument()->unmap(); |
| 489 |
emit instrumentsChanged(); |
| 490 |
} |
| 491 |
} |
| 492 |
delete pListItem; |
| 493 |
} |
| 494 |
|
| 495 |
selectionChangedSlot(); |
| 496 |
} |
| 497 |
|
| 498 |
|
| 499 |
// In-place selection slot. |
| 500 |
void qsamplerInstrumentList::selectionChangedSlot (void) |
| 501 |
{ |
| 502 |
qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance(); |
| 503 |
QListViewItem *pListItem = QListView::selectedItem(); |
| 504 |
bool bEnabled = (pMainForm && pMainForm->client()); |
| 505 |
m_pNewItemAction->setEnabled(bEnabled); |
| 506 |
bEnabled = (bEnabled && pListItem != NULL); |
| 507 |
m_pEditItemAction->setEnabled(bEnabled && pListItem->rtti() == Item); |
| 508 |
m_pRenameAction->setEnabled(bEnabled); |
| 509 |
m_pDeleteAction->setEnabled(bEnabled); |
| 510 |
} |
| 511 |
|
| 512 |
|
| 513 |
// In-place activation slot. |
| 514 |
void qsamplerInstrumentList::activatedSlot ( QListViewItem *pListItem ) |
| 515 |
{ |
| 516 |
// FIXME: Hope the list view item is the one selected. |
| 517 |
if (pListItem->rtti() == Item) |
| 518 |
editItemSlot(); |
| 519 |
} |
| 520 |
|
| 521 |
|
| 522 |
// In-place aliasing slot. |
| 523 |
void qsamplerInstrumentList::renamedSlot ( QListViewItem *pListItem ) |
| 524 |
{ |
| 525 |
if (pListItem->rtti() == Item) { |
| 526 |
qsamplerInstrumentItem *pItem |
| 527 |
= static_cast<qsamplerInstrumentItem *> (pListItem); |
| 528 |
if (pItem && pItem->instrument()) { |
| 529 |
pItem->instrument()->setName(pListItem->text(0)); |
| 530 |
pItem->instrument()->map(); |
| 531 |
emit instrumentsChanged(); |
| 532 |
pItem->update(); |
| 533 |
} |
| 534 |
} |
| 535 |
} |
| 536 |
|
| 537 |
|
| 538 |
// Context menu request event handler. |
| 539 |
void qsamplerInstrumentList::contextMenuEvent ( |
| 540 |
QContextMenuEvent *pContextMenuEvent ) |
| 541 |
{ |
| 542 |
if (!m_pNewItemAction->isEnabled()) |
| 543 |
return; |
| 544 |
|
| 545 |
QPopupMenu menu(this); |
| 546 |
|
| 547 |
// Construct context menu. |
| 548 |
m_pNewItemAction->addTo(&menu); |
| 549 |
// m_pNewGroupAction->addTo(&menu); |
| 550 |
menu.insertSeparator(); |
| 551 |
m_pEditItemAction->addTo(&menu); |
| 552 |
m_pRenameAction->addTo(&menu); |
| 553 |
m_pDeleteAction->addTo(&menu); |
| 554 |
menu.insertSeparator(); |
| 555 |
m_pRefreshAction->addTo(&menu); |
| 556 |
|
| 557 |
menu.exec(pContextMenuEvent->globalPos()); |
| 558 |
} |
| 559 |
|
| 560 |
|
| 561 |
// General reloader. |
| 562 |
void qsamplerInstrumentList::refresh (void) |
| 563 |
{ |
| 564 |
clear(); |
| 565 |
|
| 566 |
qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance(); |
| 567 |
if (pMainForm == NULL) |
| 568 |
return; |
| 569 |
if (pMainForm->client() == NULL) |
| 570 |
return; |
| 571 |
|
| 572 |
qsamplerInstrumentItem *pItem = NULL; |
| 573 |
lscp_midi_instrument_t *pInstrs |
| 574 |
= ::lscp_list_midi_instruments(pMainForm->client()); |
| 575 |
for (int iInstr = 0; pInstrs && pInstrs[iInstr].program >= 0; ++iInstr) { |
| 576 |
int iBank = (pInstrs[iInstr].bank_msb << 7) | pInstrs[iInstr].bank_lsb; |
| 577 |
int iProgram = pInstrs[iInstr].program; |
| 578 |
qsamplerInstrument *pInstrument |
| 579 |
= new qsamplerInstrument(iBank, iProgram); |
| 580 |
if (pInstrument->get()) |
| 581 |
pItem = new qsamplerInstrumentItem(this, pInstrument, pItem); |
| 582 |
} |
| 583 |
|
| 584 |
if (pInstrs == NULL && ::lscp_client_get_errno(pMainForm->client())) { |
| 585 |
pMainForm->appendMessagesClient("lscp_list_midi_instruments"); |
| 586 |
pMainForm->appendMessagesError(tr("Could not get current list of MIDI instrument mappings.\n\nSorry.")); |
| 587 |
} |
| 588 |
|
| 589 |
selectionChangedSlot(); |
| 590 |
} |
| 591 |
|
| 592 |
|
| 593 |
// end of qsamplerInstrumentList.cpp |
| 594 |
|
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