Clementine-audio-player-Mac.../src/library/libraryfilterwidget.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "libraryfilterwidget.h"
#include "librarymodel.h"
#include "libraryquery.h"
#include "groupbydialog.h"
#include "ui_libraryfilterwidget.h"
#include "ui/iconloader.h"
#include "ui/settingsdialog.h"
#include "widgets/maclineedit.h"
#include <QActionGroup>
#include <QKeyEvent>
#include <QMenu>
#include <QSettings>
#include <QSignalMapper>
#include <QTimer>
LibraryFilterWidget::LibraryFilterWidget(QWidget *parent)
: QWidget(parent),
ui_(new Ui_LibraryFilterWidget),
model_(NULL),
group_by_dialog_(new GroupByDialog),
filter_delay_(new QTimer(this))
{
ui_->setupUi(this);
connect(ui_->filter, SIGNAL(returnPressed()), SIGNAL(ReturnPressed()));
connect(filter_delay_, SIGNAL(timeout()), SLOT(FilterDelayTimeout()));
filter_delay_->setInterval(kFilterDelay);
filter_delay_->setSingleShot(true);
// Icons
ui_->options->setIcon(IconLoader::Load("configure"));
// Filter by age
QActionGroup* filter_age_group = new QActionGroup(this);
filter_age_group->addAction(ui_->filter_age_all);
filter_age_group->addAction(ui_->filter_age_today);
filter_age_group->addAction(ui_->filter_age_week);
filter_age_group->addAction(ui_->filter_age_month);
filter_age_group->addAction(ui_->filter_age_three_months);
filter_age_group->addAction(ui_->filter_age_year);
filter_age_menu_ = new QMenu(tr("Show"), this);
filter_age_menu_->addActions(filter_age_group->actions());
filter_age_mapper_ = new QSignalMapper(this);
filter_age_mapper_->setMapping(ui_->filter_age_all, -1);
filter_age_mapper_->setMapping(ui_->filter_age_today, 60*60*24);
filter_age_mapper_->setMapping(ui_->filter_age_week, 60*60*24*7);
filter_age_mapper_->setMapping(ui_->filter_age_month, 60*60*24*30);
filter_age_mapper_->setMapping(ui_->filter_age_three_months, 60*60*24*30*3);
filter_age_mapper_->setMapping(ui_->filter_age_year, 60*60*24*365);
connect(ui_->filter_age_all, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
connect(ui_->filter_age_today, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
connect(ui_->filter_age_week, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
connect(ui_->filter_age_month, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
connect(ui_->filter_age_three_months, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
connect(ui_->filter_age_year, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
// "Group by ..."
ui_->group_by_artist->setProperty("group_by", QVariant::fromValue(
LibraryModel::Grouping(LibraryModel::GroupBy_Artist)));
ui_->group_by_artist_album->setProperty("group_by", QVariant::fromValue(
LibraryModel::Grouping(LibraryModel::GroupBy_Artist, LibraryModel::GroupBy_Album)));
ui_->group_by_artist_yearalbum->setProperty("group_by", QVariant::fromValue(
LibraryModel::Grouping(LibraryModel::GroupBy_Artist, LibraryModel::GroupBy_YearAlbum)));
ui_->group_by_album->setProperty("group_by", QVariant::fromValue(
LibraryModel::Grouping(LibraryModel::GroupBy_Album)));
ui_->group_by_genre_album->setProperty("group_by", QVariant::fromValue(
LibraryModel::Grouping(LibraryModel::GroupBy_Genre, LibraryModel::GroupBy_Album)));
ui_->group_by_genre_artist_album->setProperty("group_by", QVariant::fromValue(
LibraryModel::Grouping(LibraryModel::GroupBy_Genre, LibraryModel::GroupBy_Artist, LibraryModel::GroupBy_Album)));
group_by_group_ = new QActionGroup(this);
group_by_group_->addAction(ui_->group_by_artist);
group_by_group_->addAction(ui_->group_by_artist_album);
group_by_group_->addAction(ui_->group_by_artist_yearalbum);
group_by_group_->addAction(ui_->group_by_album);
group_by_group_->addAction(ui_->group_by_genre_album);
group_by_group_->addAction(ui_->group_by_genre_artist_album);
group_by_group_->addAction(ui_->group_by_advanced);
group_by_menu_ = new QMenu(tr("Group by"), this);
group_by_menu_->addActions(group_by_group_->actions());
connect(group_by_group_, SIGNAL(triggered(QAction*)), SLOT(GroupByClicked(QAction*)));
// Library config menu
library_menu_ = new QMenu(this);
library_menu_->addMenu(filter_age_menu_);
library_menu_->addMenu(group_by_menu_);
library_menu_->addSeparator();
ui_->options->setMenu(library_menu_);
#ifdef Q_OS_DARWIN
delete ui_->filter;
MacLineEdit* lineedit = new MacLineEdit(this);
ui_->horizontalLayout->insertWidget(1, lineedit);
filter_ = lineedit;
#else
filter_ = ui_->filter;
#endif
connect(filter_->widget(), SIGNAL(textChanged(QString)), SLOT(FilterTextChanged(QString)));
}
LibraryFilterWidget::~LibraryFilterWidget() {
delete ui_;
}
void LibraryFilterWidget::FocusOnFilter(QKeyEvent *event) {
ui_->filter->setFocus(Qt::OtherFocusReason);
QApplication::sendEvent(ui_->filter, event);
}
void LibraryFilterWidget::SetLibraryModel(LibraryModel *model) {
if (model_) {
disconnect(model_, 0, this, 0);
disconnect(model_, 0, group_by_dialog_.get(), 0);
disconnect(group_by_dialog_.get(), 0, model_, 0);
disconnect(filter_age_mapper_, 0, model_, 0);
}
model_ = model;
// Connect signals
connect(model_, SIGNAL(GroupingChanged(LibraryModel::Grouping)),
group_by_dialog_.get(), SLOT(LibraryGroupingChanged(LibraryModel::Grouping)));
connect(model_, SIGNAL(GroupingChanged(LibraryModel::Grouping)),
SLOT(GroupingChanged(LibraryModel::Grouping)));
connect(group_by_dialog_.get(), SIGNAL(Accepted(LibraryModel::Grouping)),
model_, SLOT(SetGroupBy(LibraryModel::Grouping)));
connect(filter_age_mapper_, SIGNAL(mapped(int)), model_, SLOT(SetFilterAge(int)));
// Load settings
if (!settings_group_.isEmpty()) {
QSettings s;
s.beginGroup(settings_group_);
model_->SetGroupBy(LibraryModel::Grouping(
LibraryModel::GroupBy(s.value("group_by1", int(LibraryModel::GroupBy_Artist)).toInt()),
LibraryModel::GroupBy(s.value("group_by2", int(LibraryModel::GroupBy_Album)).toInt()),
LibraryModel::GroupBy(s.value("group_by3", int(LibraryModel::GroupBy_None)).toInt())));
}
}
void LibraryFilterWidget::GroupByClicked(QAction* action) {
if (action->property("group_by").isNull()) {
group_by_dialog_->show();
return;
}
LibraryModel::Grouping g = action->property("group_by").value<LibraryModel::Grouping>();
model_->SetGroupBy(g);
}
void LibraryFilterWidget::GroupingChanged(const LibraryModel::Grouping& g) {
if (!settings_group_.isEmpty()) {
// Save the settings
QSettings s;
s.beginGroup(settings_group_);
s.setValue("group_by1", int(g[0]));
s.setValue("group_by2", int(g[1]));
s.setValue("group_by3", int(g[2]));
}
// Now make sure the correct action is checked
foreach (QAction* action, group_by_group_->actions()) {
if (action->property("group_by").isNull())
continue;
if (g == action->property("group_by").value<LibraryModel::Grouping>()) {
action->setChecked(true);
return;
}
}
ui_->group_by_advanced->setChecked(true);
}
void LibraryFilterWidget::SetFilterHint(const QString& hint) {
filter_->set_hint(hint);
}
void LibraryFilterWidget::SetQueryMode(QueryOptions::QueryMode query_mode) {
filter_->clear();
filter_->set_enabled(query_mode == QueryOptions::QueryMode_All);
model_->SetFilterQueryMode(query_mode);
}
void LibraryFilterWidget::SetAgeFilterEnabled(bool enabled) {
filter_age_menu_->setEnabled(enabled);
}
void LibraryFilterWidget::SetGroupByEnabled(bool enabled) {
group_by_menu_->setEnabled(enabled);
}
void LibraryFilterWidget::AddMenuAction(QAction* action) {
library_menu_->addAction(action);
}
void LibraryFilterWidget::keyReleaseEvent(QKeyEvent* e) {
switch (e->key()) {
case Qt::Key_Up:
emit UpPressed();
e->accept();
break;
case Qt::Key_Down:
emit DownPressed();
e->accept();
break;
case Qt::Key_Escape:
ui_->filter->LineEditInterface::clear();
e->accept();
break;
}
QWidget::keyReleaseEvent(e);
}
void LibraryFilterWidget::FilterTextChanged(const QString& text) {
// Searching with one or two characters can be very expensive on the database
// even with FTS, so if there are a large number of songs in the database
// introduce a small delay before actually filtering the model, so if the
// user is typing the first few characters of something it will be quicker.
if (!text.isEmpty() && text.length() < 3 && model_->total_song_count() >= 100000) {
filter_delay_->start();
} else {
filter_delay_->stop();
model_->SetFilterText(text);
}
}
void LibraryFilterWidget::FilterDelayTimeout() {
model_->SetFilterText(filter_->text());
}