Clementine-audio-player-Mac.../src/smartplaylists/smartplaylistsearchtermwidg...

290 lines
8.6 KiB
C++

/* This file is part of Clementine.
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 "smartplaylistsearchterm.h"
#include "smartplaylistsearchtermwidget.h"
#include "ui_smartplaylistsearchtermwidget.h"
#include "core/utilities.h"
#include "playlist/playlist.h"
#include "playlist/playlistdelegates.h"
#include "ui/iconloader.h"
#include <QFile>
#include <QPainter>
#include <QPropertyAnimation>
#include <QTimer>
#include <QtDebug>
// Exported by QtGui
void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0);
class SmartPlaylistSearchTermWidget::Overlay : public QWidget {
public:
Overlay(SmartPlaylistSearchTermWidget* parent);
void Grab();
void SetOpacity(float opacity);
float opacity() const { return opacity_; }
static const int kSpacing;
static const int kIconSize;
protected:
void paintEvent(QPaintEvent*);
void mouseReleaseEvent(QMouseEvent*);
private:
SmartPlaylistSearchTermWidget* parent_;
float opacity_;
QString text_;
QPixmap pixmap_;
QPixmap icon_;
};
const int SmartPlaylistSearchTermWidget::Overlay::kSpacing = 6;
const int SmartPlaylistSearchTermWidget::Overlay::kIconSize = 22;
SmartPlaylistSearchTermWidget::SmartPlaylistSearchTermWidget(LibraryBackend* library, QWidget* parent)
: QWidget(parent),
ui_(new Ui_SmartPlaylistSearchTermWidget),
library_(library),
overlay_(NULL),
animation_(new QPropertyAnimation(this, "overlay_opacity", this)),
active_(true)
{
ui_->setupUi(this);
connect(ui_->field, SIGNAL(currentIndexChanged(int)), SLOT(FieldChanged(int)));
connect(ui_->remove, SIGNAL(clicked()), SIGNAL(RemoveClicked()));
// Populate the combo boxes
for (int i=0 ; i<SmartPlaylistSearchTerm::FieldCount ; ++i) {
ui_->field->addItem(SmartPlaylistSearchTerm::FieldName(SmartPlaylistSearchTerm::Field(i)));
ui_->field->setItemData(i, i);
}
ui_->field->model()->sort(0);
// Icons on the buttons
ui_->remove->setIcon(IconLoader::Load("list-remove"));
// Set stylesheet
QFile stylesheet_file(":/smartplaylistsearchterm.css");
stylesheet_file.open(QIODevice::ReadOnly);
QString stylesheet = QString::fromAscii(stylesheet_file.readAll());
const QColor base(222, 97, 97, 128);
stylesheet.replace("%light2", Utilities::ColorToRgba(base.lighter(140)));
stylesheet.replace("%light", Utilities::ColorToRgba(base.lighter(120)));
stylesheet.replace("%dark", Utilities::ColorToRgba(base.darker(120)));
stylesheet.replace("%base", Utilities::ColorToRgba(base));
setStyleSheet(stylesheet);
}
SmartPlaylistSearchTermWidget::~SmartPlaylistSearchTermWidget() {
delete ui_;
}
void SmartPlaylistSearchTermWidget::FieldChanged(int index) {
SmartPlaylistSearchTerm::Field field = SmartPlaylistSearchTerm::Field(
ui_->field->itemData(index).toInt());
SmartPlaylistSearchTerm::Type type = SmartPlaylistSearchTerm::TypeOf(field);
// Populate the operator combo box
ui_->op->clear();
foreach (SmartPlaylistSearchTerm::Operator op, SmartPlaylistSearchTerm::OperatorsForType(type)) {
const int i = ui_->op->count();
ui_->op->addItem(SmartPlaylistSearchTerm::OperatorText(type, op));
ui_->op->setItemData(i, op);
}
// Show the correct value editor
QWidget* page = NULL;
switch (type) {
case SmartPlaylistSearchTerm::Type_Time: page = ui_->page_time; break;
case SmartPlaylistSearchTerm::Type_Number: page = ui_->page_number; break;
case SmartPlaylistSearchTerm::Type_Date: page = ui_->page_date; break;
case SmartPlaylistSearchTerm::Type_Rating: page = ui_->page_rating; break;
case SmartPlaylistSearchTerm::Type_Text: page = ui_->page_text; break;
}
ui_->value_stack->setCurrentWidget(page);
// Maybe set a tag completer
switch (field) {
case SmartPlaylistSearchTerm::Field_Artist:
new TagCompleter(library_, Playlist::Column_Artist, ui_->value_text);
break;
case SmartPlaylistSearchTerm::Field_Album:
new TagCompleter(library_, Playlist::Column_Album, ui_->value_text);
break;
default:
ui_->value_text->setCompleter(NULL);
}
}
void SmartPlaylistSearchTermWidget::SetActive(bool active) {
active_ = active;
delete overlay_;
overlay_ = NULL;
if (!active) {
overlay_ = new Overlay(this);
}
}
void SmartPlaylistSearchTermWidget::enterEvent(QEvent*) {
if (!overlay_)
return;
animation_->stop();
animation_->setEndValue(1.0);
animation_->setDuration(80);
animation_->start();
}
void SmartPlaylistSearchTermWidget::leaveEvent(QEvent*) {
if (!overlay_)
return;
animation_->stop();
animation_->setEndValue(0.0);
animation_->setDuration(160);
animation_->start();
}
void SmartPlaylistSearchTermWidget::resizeEvent(QResizeEvent* e) {
QWidget::resizeEvent(e);
if (overlay_ && overlay_->isVisible()) {
QTimer::singleShot(0, this, SLOT(Grab()));
}
}
void SmartPlaylistSearchTermWidget::showEvent(QShowEvent* e) {
QWidget::showEvent(e);
if (overlay_) {
QTimer::singleShot(0, this, SLOT(Grab()));
}
}
void SmartPlaylistSearchTermWidget::Grab() {
overlay_->Grab();
}
void SmartPlaylistSearchTermWidget::set_overlay_opacity(float opacity) {
if (overlay_)
overlay_->SetOpacity(opacity);
}
float SmartPlaylistSearchTermWidget::overlay_opacity() const {
return overlay_ ? overlay_->opacity() : 0.0;
}
SmartPlaylistSearchTerm SmartPlaylistSearchTermWidget::Term() const {
const int field = ui_->field->itemData(ui_->field->currentIndex()).toInt();
const int op = ui_->op->itemData(ui_->op->currentIndex()).toInt();
SmartPlaylistSearchTerm ret;
ret.field_ = SmartPlaylistSearchTerm::Field(field);
ret.operator_ = SmartPlaylistSearchTerm::Operator(op);
// The value depends on the data type
const QWidget* value_page = ui_->value_stack->currentWidget();
if (value_page == ui_->page_text) {
ret.value_ = ui_->value_text->text();
} else if (value_page == ui_->page_number) {
ret.value_ = ui_->value_number->value();
} else if (value_page == ui_->page_date) {
ret.value_ = ui_->value_date->dateTime().toTime_t();
} else if (value_page == ui_->page_time) {
ret.value_ = QTime(0,0).secsTo(ui_->value_time->time());
} else if (value_page == ui_->page_rating) {
ret.value_ = ui_->value_rating->rating();
}
return ret;
}
SmartPlaylistSearchTermWidget::Overlay::Overlay(SmartPlaylistSearchTermWidget* parent)
: QWidget(parent),
parent_(parent),
opacity_(0.0),
text_(tr("Add search term")),
icon_(IconLoader::Load("list-add").pixmap(kIconSize))
{
raise();
setCursor(Qt::PointingHandCursor);
}
void SmartPlaylistSearchTermWidget::Overlay::SetOpacity(float opacity) {
opacity_ = opacity;
update();
}
void SmartPlaylistSearchTermWidget::Overlay::Grab() {
hide();
// Take a "screenshot" of the window
QPixmap pixmap = QPixmap::grabWidget(parent_);
QImage image = pixmap.toImage();
// Blur it
QImage blurred(image.size(), QImage::Format_ARGB32_Premultiplied);
blurred.fill(Qt::transparent);
QPainter blur_painter(&blurred);
qt_blurImage(&blur_painter, image, 10.0, true, false);
blur_painter.end();
pixmap_ = QPixmap::fromImage(blurred);
resize(parent_->size());
show();
update();
}
void SmartPlaylistSearchTermWidget::Overlay::paintEvent(QPaintEvent*) {
QPainter p(this);
// Background
p.fillRect(rect(), palette().window());
// Blurred parent widget
p.setOpacity(0.25 + opacity_ * 0.25);
p.drawPixmap(0, 0, pixmap_);
// Geometry
const QSize contents_size(kIconSize + kSpacing + fontMetrics().width(text_),
qMax(kIconSize, fontMetrics().height()));
const QRect contents(QPoint((width() - contents_size.width()) / 2,
(height() - contents_size.height()) / 2),
contents_size);
const QRect icon(contents.topLeft(), QSize(kIconSize, kIconSize));
const QRect text(icon.right() + kSpacing, icon.top(),
contents.width() - kSpacing - kIconSize,
contents.height());
// Icon and text
p.setOpacity(1.0);
p.drawPixmap(icon, icon_);
p.drawText(text, text_);
}
void SmartPlaylistSearchTermWidget::Overlay::mouseReleaseEvent(QMouseEvent*) {
emit parent_->Clicked();
}