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/*
* Cantata
*
* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "genrecombo.h"
#include "support/action.h"
#include "support/actioncollection.h"
#include "toolbutton.h"
#include <QEvent>
#include <algorithm>
static Action* action = nullptr;
GenreCombo::GenreCombo(QWidget* p)
: ComboBox(p)
{
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
update(QSet<QString>());
setEditable(false);
setFocusPolicy(Qt::NoFocus);
if (!action) {
action = ActionCollection::get()->createAction("genrefilter", tr("Filter On Genre"), nullptr);
action->setShortcut(Qt::ControlModifier | Qt::Key_G);
}
addAction(action);
connect(action, SIGNAL(triggered()), SLOT(showEntries()));
}
void GenreCombo::update(const QSet<QString>& g)
{
if (count() && g == genres) {
return;
}
QSet<QString> mg = g;
mg.remove(QString());
if (mg.count() != g.count() && count() && mg == genres) {
return;
}
genres = mg;
QStringList entries = g.values();
std::sort(entries.begin(), entries.end());
entries.prepend(tr("All Genres"));
if (count() == entries.count()) {
bool noChange = true;
for (int i = 0; i < count(); ++i) {
if (itemText(i) != entries.at(i)) {
noChange = false;
break;
}
}
if (noChange) {
return;
}
}
QString currentFilter = currentIndex() ? currentText() : QString();
clear();
addItems(entries);
if (0 == genres.count()) {
setCurrentIndex(0);
}
else {
if (!currentFilter.isEmpty()) {
bool found = false;
for (int i = 1; i < count() && !found; ++i) {
if (itemText(i) == currentFilter) {
setCurrentIndex(i);
found = true;
}
}
if (!found) {
setCurrentIndex(0);
}
}
}
setEnabled(count() > 1);
// If we are 'hidden' then we need to ingore mouse events - so that these get passed to parent widget.
// The Oxygen's window drag still functions...
setAttribute(Qt::WA_TransparentForMouseEvents, count() < 2);
}
void GenreCombo::showEntries()
{
if (isVisible()) {
showPopup();
}
}
void GenreCombo::paintEvent(QPaintEvent* e)
{
if (count() > 1) {
ComboBox::paintEvent(e);
}
else {
QWidget::paintEvent(e);
}
}
bool GenreCombo::event(QEvent* event)
{
if (QEvent::ToolTip == event->type() && toolTip() != action->toolTip()) {
setToolTip(action->toolTip());
}
return ComboBox::event(event);
}
#include "moc_genrecombo.cpp"
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