95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 GNU
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "genrecombo.h"
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#include "localize.h"
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#ifndef Q_OS_WIN
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#include "gtkproxystyle.h"
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#endif
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// Max number of items before we try to force a scrollbar in popup menu...
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static const int constPopupItemCount=32;
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GenreCombo::GenreCombo(QWidget *p)
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: ComboBox(p)
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{
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
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update(QSet<QString>());
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setEditable(false);
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#ifndef Q_OS_WIN
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setProperty(GtkProxyStyle::constSlimComboProperty, true);
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#endif
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}
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void GenreCombo::update(const QSet<QString> &g)
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{
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if (count() && g==genres) {
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return;
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}
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QSet<QString> mg=g;
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mg.remove(QString());
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if (mg.count()!=g.count() && count() && mg==genres) {
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return;
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}
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genres=mg;
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QStringList entries=g.toList();
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qSort(entries);
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entries.prepend(i18n("All Genres"));
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if (count()==entries.count()) {
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bool noChange=true;
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for (int i=0; i<count(); ++i) {
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if (itemText(i)!=entries.at(i)) {
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noChange=false;
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break;
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}
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}
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if (noChange) {
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return;
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}
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}
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QString currentFilter = currentIndex() ? currentText() : QString();
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clear();
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addItems(entries);
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if (0==genres.count()) {
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setCurrentIndex(0);
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} else {
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if (!currentFilter.isEmpty()) {
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bool found=false;
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for (int i=1; i<count() && !found; ++i) {
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if (itemText(i) == currentFilter) {
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setCurrentIndex(i);
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found=true;
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}
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}
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if (!found) {
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setCurrentIndex(0);
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}
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}
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}
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}
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