218 lines
8.3 KiB
C++
218 lines
8.3 KiB
C++
//=============================================================================
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// MusE Score
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// Linux Music Score Editor
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// $Id: editstringdata.cpp 5392 2012-02-28 11:41:52Z miwarre $
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//
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// Copyright (C) 2002-2009 Werner Schweer and others
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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//=============================================================================
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#include "editstringdata.h"
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#include "editpitch.h"
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namespace Ms {
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//---------------------------------------------------------
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// EditStringData
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// To edit the string data (tuning and number of frets) for an instrument
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//---------------------------------------------------------
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EditStringData::EditStringData(QWidget *parent, QList<instrString> * strings, int * frets)
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: QDialog(parent)
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{
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setupUi(this);
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setWindowFlags(this->windowFlags() & ~Qt::WindowContextHelpButtonHint);
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_strings = strings;
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QStringList hdrLabels;
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int numOfStrings = _strings->size();
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hdrLabels << tr("Open", "string data") << tr("Pitch", "string data");
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stringList->setHorizontalHeaderLabels(hdrLabels);
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stringList->setRowCount(numOfStrings);
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// if any string, insert into string list control and select the first one
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if(numOfStrings > 0) {
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int i;
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instrString strg;
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// insert into local working copy and into string list dlg control
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// IN REVERSED ORDER
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for(i=0; i < numOfStrings; i++) {
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strg = (*_strings)[numOfStrings - i - 1];
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_stringsLoc.append(strg);
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QTableWidgetItem *newCheck = new QTableWidgetItem();
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newCheck->setFlags(Qt::ItemFlag(Qt::ItemIsUserCheckable | Qt::ItemIsEnabled));
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newCheck->setCheckState(strg.open ? Qt::Checked : Qt::Unchecked);
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stringList->setItem(i, 0, newCheck);
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QTableWidgetItem *newPitch = new QTableWidgetItem(midiCodeToStr(strg.pitch));
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stringList->setItem(i, 1, newPitch);
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}
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stringList->setCurrentCell(0, 1);
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}
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// if no string yet, disable buttons acting on individual string
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else {
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editString->setEnabled(false);
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deleteString->setEnabled(false);
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}
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_frets = frets;
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numOfFrets->setValue(*_frets);
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connect(deleteString, SIGNAL(clicked()), SLOT(deleteStringClicked()));
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connect(editString, SIGNAL(clicked()), SLOT(editStringClicked()));
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connect(newString, SIGNAL(clicked()), SLOT(newStringClicked()));
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connect(stringList, SIGNAL(doubleClicked(QModelIndex)), SLOT(editStringClicked()));
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connect(stringList, SIGNAL(itemClicked(QTableWidgetItem*)), SLOT(listItemClicked(QTableWidgetItem *)));
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_modified = false;
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}
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EditStringData::~EditStringData()
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{
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}
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//---------------------------------------------------------
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// deleteStringClicked
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//---------------------------------------------------------
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void EditStringData::deleteStringClicked()
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{
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int i = stringList->currentRow();
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// remove item from local string list and from dlg list control
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_stringsLoc.removeAt(i);
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stringList->model()->removeRow(i);
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// if no more items, disable buttons acting on individual string
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if (stringList->rowCount() == 0) {
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editString->setEnabled(false);
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deleteString->setEnabled(false);
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}
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_modified = true;
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}
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//---------------------------------------------------------
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// editStringClicked
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//---------------------------------------------------------
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void EditStringData::editStringClicked()
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{
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int i = stringList->currentRow();
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int newCode;
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EditPitch* ep = new EditPitch(this, _stringsLoc[i].pitch);
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if ( (newCode=ep->exec()) != -1) {
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// update item value in local string list and item text in dlg list control
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_stringsLoc[i].pitch = newCode;
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QTableWidgetItem * item = stringList->item(i, 1);
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item->setText(midiCodeToStr(newCode));
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_modified = true;
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}
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}
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//---------------------------------------------------------
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// listItemClicked
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//---------------------------------------------------------
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void EditStringData::listItemClicked(QTableWidgetItem * item)
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{
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int col = item->column();
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if (col != 0) // ignore clicks not on check boxes
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return;
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int row = item->row();
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// flip openness in local string list, then sync dlg list ctrl
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bool open = !_stringsLoc[row].open;
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_stringsLoc[row].open = open;
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stringList->item(row, col)->setCheckState(open ? Qt::Checked : Qt::Unchecked);
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_modified = true;
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}
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//---------------------------------------------------------
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// newStringClicked
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//---------------------------------------------------------
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void EditStringData::newStringClicked()
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{
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int i, newCode;
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EditPitch* ep = new EditPitch(this);
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if ( (newCode=ep->exec()) != -1) {
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// add below selected string or at the end if no selected string
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i = stringList->currentRow() + 1;
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if(i <= 0)
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i = stringList->rowCount();
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// insert in local string list and in dlg list control
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instrString strg = {newCode, 0};
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_stringsLoc.insert(i, strg);
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stringList->insertRow(i);
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QTableWidgetItem *newCheck = new QTableWidgetItem();
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newCheck->setFlags(Qt::ItemFlag(Qt::ItemIsUserCheckable | Qt::ItemIsEnabled));
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newCheck->setCheckState(strg.open ? Qt::Checked : Qt::Unchecked);
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stringList->setItem(i, 0, newCheck);
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QTableWidgetItem *newPitch = new QTableWidgetItem(midiCodeToStr(strg.pitch));
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stringList->setItem(i, 1, newPitch);
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// select last added item and ensure buttons are active
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stringList->setCurrentCell(i, 1);
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editString->setEnabled(true);
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deleteString->setEnabled(true);
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_modified = true;
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}
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}
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//---------------------------------------------------------
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// accept
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//---------------------------------------------------------
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void EditStringData::accept()
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{
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// store data back into original variables
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// string tunings are copied in reversed order (from lowest to highest)
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if(_modified) {
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_strings->clear();
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for(int i=_stringsLoc.size()-1; i >= 0; i--)
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_strings->append(_stringsLoc[i]);
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}
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if(*_frets != numOfFrets->value()) {
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*_frets = numOfFrets->value();
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_modified = true;
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}
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if(_modified)
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QDialog::accept();
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else
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QDialog::reject(); // if no data change, no need to trigger changes downward the caller chain
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}
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//---------------------------------------------------------
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// midiCodeToStr
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// Converts a MIDI numeric pitch code to human-readable note name
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//---------------------------------------------------------
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static const char* g_cNoteName[] = {
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QT_TRANSLATE_NOOP("editstringdata", "C"),
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QT_TRANSLATE_NOOP("editstringdata", "C#"),
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QT_TRANSLATE_NOOP("editstringdata", "D"),
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QT_TRANSLATE_NOOP("editstringdata", "Eb"),
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QT_TRANSLATE_NOOP("editstringdata", "E"),
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QT_TRANSLATE_NOOP("editstringdata", "F"),
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QT_TRANSLATE_NOOP("editstringdata", "F#"),
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QT_TRANSLATE_NOOP("editstringdata", "G"),
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QT_TRANSLATE_NOOP("editstringdata", "Ab"),
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QT_TRANSLATE_NOOP("editstringdata", "A"),
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QT_TRANSLATE_NOOP("editstringdata", "Bb"),
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QT_TRANSLATE_NOOP("editstringdata", "B")
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};
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QString EditStringData::midiCodeToStr(int midiCode)
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{
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return QString("%1 %2").arg(qApp->translate("editstringdata", g_cNoteName[midiCode % 12])).arg(midiCode / 12 - 1);
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}
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}
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