459 lines
14 KiB
C++
459 lines
14 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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 3 of the License, or
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(at your option) any later version.
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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "searchtermwidget.h"
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#include <QFile>
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#include <QKeyEvent>
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#include <QMessageBox>
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#include <QPainter>
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#include <QPropertyAnimation>
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#include <QTimer>
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#include <QtDebug>
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#include "core/utilities.h"
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#include "playlist/playlist.h"
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#include "playlist/playlistdelegates.h"
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#include "searchterm.h"
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#include "ui/iconloader.h"
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#include "ui_searchtermwidget.h"
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// Exported by QtGui
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void qt_blurImage(QPainter* p, QImage& blurImage, qreal radius, bool quality,
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bool alphaOnly, int transposed = 0);
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namespace smart_playlists {
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class SearchTermWidget::Overlay : public QWidget {
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public:
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Overlay(SearchTermWidget* parent);
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void Grab();
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void SetOpacity(float opacity);
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float opacity() const { return opacity_; }
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static const int kSpacing;
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static const int kIconSize;
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protected:
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void paintEvent(QPaintEvent*);
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void mouseReleaseEvent(QMouseEvent*);
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void keyReleaseEvent(QKeyEvent* e);
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private:
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SearchTermWidget* parent_;
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float opacity_;
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QString text_;
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QPixmap pixmap_;
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QPixmap icon_;
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};
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const int SearchTermWidget::Overlay::kSpacing = 6;
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const int SearchTermWidget::Overlay::kIconSize = 22;
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SearchTermWidget::SearchTermWidget(LibraryBackend* library, QWidget* parent)
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: QWidget(parent),
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ui_(new Ui_SmartPlaylistSearchTermWidget),
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library_(library),
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overlay_(nullptr),
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animation_(new QPropertyAnimation(this, "overlay_opacity", this)),
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active_(true),
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initialized_(false),
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current_field_type_(SearchTerm::Type_Invalid) {
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ui_->setupUi(this);
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connect(ui_->field, SIGNAL(currentIndexChanged(int)),
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SLOT(FieldChanged(int)));
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connect(ui_->op, SIGNAL(currentIndexChanged(int)), SLOT(OpChanged(int)));
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connect(ui_->remove, SIGNAL(clicked()), SIGNAL(RemoveClicked()));
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connect(ui_->value_date, SIGNAL(dateChanged(QDate)), SIGNAL(Changed()));
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connect(ui_->value_number, SIGNAL(valueChanged(int)), SIGNAL(Changed()));
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connect(ui_->value_rating, SIGNAL(RatingChanged(float)), SIGNAL(Changed()));
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connect(ui_->value_text, SIGNAL(textChanged(QString)), SIGNAL(Changed()));
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connect(ui_->value_time, SIGNAL(timeChanged(QTime)), SIGNAL(Changed()));
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connect(ui_->value_date_numeric, SIGNAL(valueChanged(int)),
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SIGNAL(Changed()));
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connect(ui_->value_date_numeric1, SIGNAL(valueChanged(int)),
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SLOT(RelativeValueChanged()));
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connect(ui_->value_date_numeric2, SIGNAL(valueChanged(int)),
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SLOT(RelativeValueChanged()));
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connect(ui_->date_type, SIGNAL(currentIndexChanged(int)), SIGNAL(Changed()));
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connect(ui_->date_type_relative, SIGNAL(currentIndexChanged(int)),
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SIGNAL(Changed()));
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ui_->value_date->setDate(QDate::currentDate());
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// Populate the combo boxes
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for (int i = 0; i < SearchTerm::FieldCount; ++i) {
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ui_->field->addItem(SearchTerm::FieldName(SearchTerm::Field(i)));
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ui_->field->setItemData(i, i);
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}
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ui_->field->model()->sort(0);
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// Populate the date type combo box
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for (int i = 0; i < 5; ++i) {
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ui_->date_type->addItem(
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SearchTerm::DateName(SearchTerm::DateType(i), false));
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ui_->date_type->setItemData(i, i);
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ui_->date_type_relative->addItem(
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SearchTerm::DateName(SearchTerm::DateType(i), false));
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ui_->date_type_relative->setItemData(i, i);
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}
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// Icons on the buttons
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ui_->remove->setIcon(IconLoader::Load("list-remove", IconLoader::Base));
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// Set stylesheet
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QFile stylesheet_file(":/smartplaylistsearchterm.css");
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stylesheet_file.open(QIODevice::ReadOnly);
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QString stylesheet = QString::fromLatin1(stylesheet_file.readAll());
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const QColor base(222, 97, 97, 128);
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stylesheet.replace("%light2", Utilities::ColorToRgba(base.lighter(140)));
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stylesheet.replace("%light", Utilities::ColorToRgba(base.lighter(120)));
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stylesheet.replace("%dark", Utilities::ColorToRgba(base.darker(120)));
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stylesheet.replace("%base", Utilities::ColorToRgba(base));
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setStyleSheet(stylesheet);
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}
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SearchTermWidget::~SearchTermWidget() { delete ui_; }
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void SearchTermWidget::FieldChanged(int index) {
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SearchTerm::Field field =
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SearchTerm::Field(ui_->field->itemData(index).toInt());
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SearchTerm::Type type = SearchTerm::TypeOf(field);
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// Populate the operator combo box
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if (type != current_field_type_) {
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ui_->op->clear();
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for (SearchTerm::Operator op : SearchTerm::OperatorsForType(type)) {
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const int i = ui_->op->count();
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ui_->op->addItem(SearchTerm::OperatorText(type, op));
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ui_->op->setItemData(i, op);
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}
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current_field_type_ = type;
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}
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// Show the correct value editor
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QWidget* page = nullptr;
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SearchTerm::Operator op = static_cast<SearchTerm::Operator>(
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ui_->op->itemData(ui_->op->currentIndex()).toInt());
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switch (type) {
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case SearchTerm::Type_Time:
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page = ui_->page_time;
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break;
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case SearchTerm::Type_Number:
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page = ui_->page_number;
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break;
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case SearchTerm::Type_Date:
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page = ui_->page_date;
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break;
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case SearchTerm::Type_Rating:
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page = ui_->page_rating;
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break;
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case SearchTerm::Type_Text:
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if (op == SearchTerm::Op_Empty || op == SearchTerm::Op_NotEmpty) {
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page = ui_->page_empty;
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} else {
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page = ui_->page_text;
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}
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break;
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case SearchTerm::Type_Invalid:
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page = nullptr;
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break;
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}
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ui_->value_stack->setCurrentWidget(page);
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// Maybe set a tag completer
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switch (field) {
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case SearchTerm::Field_Artist:
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new TagCompleter(library_, Playlist::Column_Artist, ui_->value_text);
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break;
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case SearchTerm::Field_Album:
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new TagCompleter(library_, Playlist::Column_Album, ui_->value_text);
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break;
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default:
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ui_->value_text->setCompleter(nullptr);
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}
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emit Changed();
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}
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void SearchTermWidget::OpChanged(int index) {
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// Determine the currently selected operator
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SearchTerm::Operator op = static_cast<SearchTerm::Operator>(
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// This uses the operators’s index in the combobox to get its enum value
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ui_->op->itemData(ui_->op->currentIndex()).toInt());
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// We need to change the page only in the following case
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if ((ui_->value_stack->currentWidget() == ui_->page_text) ||
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(ui_->value_stack->currentWidget() == ui_->page_empty)) {
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QWidget* page = nullptr;
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if (op == SearchTerm::Op_Empty || op == SearchTerm::Op_NotEmpty) {
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page = ui_->page_empty;
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} else {
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page = ui_->page_text;
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}
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ui_->value_stack->setCurrentWidget(page);
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} else if ((ui_->value_stack->currentWidget() == ui_->page_date) ||
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(ui_->value_stack->currentWidget() == ui_->page_date_numeric) ||
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(ui_->value_stack->currentWidget() == ui_->page_date_relative)) {
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QWidget* page = nullptr;
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if (op == SearchTerm::Op_NumericDate ||
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op == SearchTerm::Op_NumericDateNot) {
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page = ui_->page_date_numeric;
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} else if (op == SearchTerm::Op_RelativeDate) {
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page = ui_->page_date_relative;
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} else {
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page = ui_->page_date;
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}
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ui_->value_stack->setCurrentWidget(page);
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}
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emit Changed();
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}
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void SearchTermWidget::SetActive(bool active) {
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active_ = active;
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delete overlay_;
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overlay_ = nullptr;
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ui_->container->setEnabled(active);
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if (!active) {
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overlay_ = new Overlay(this);
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}
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}
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void SearchTermWidget::enterEvent(QEvent*) {
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if (!overlay_ || !isEnabled()) return;
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animation_->stop();
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animation_->setEndValue(1.0);
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animation_->setDuration(80);
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animation_->start();
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}
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void SearchTermWidget::leaveEvent(QEvent*) {
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if (!overlay_) return;
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animation_->stop();
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animation_->setEndValue(0.0);
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animation_->setDuration(160);
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animation_->start();
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}
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void SearchTermWidget::resizeEvent(QResizeEvent* e) {
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QWidget::resizeEvent(e);
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if (overlay_ && overlay_->isVisible()) {
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QTimer::singleShot(0, this, SLOT(Grab()));
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}
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}
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void SearchTermWidget::showEvent(QShowEvent* e) {
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QWidget::showEvent(e);
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if (overlay_) {
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QTimer::singleShot(0, this, SLOT(Grab()));
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}
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}
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void SearchTermWidget::Grab() { overlay_->Grab(); }
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void SearchTermWidget::set_overlay_opacity(float opacity) {
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if (overlay_) overlay_->SetOpacity(opacity);
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}
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float SearchTermWidget::overlay_opacity() const {
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return overlay_ ? overlay_->opacity() : 0.0;
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}
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void SearchTermWidget::SetTerm(const SearchTerm& term) {
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ui_->field->setCurrentIndex(ui_->field->findData(term.field_));
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ui_->op->setCurrentIndex(ui_->op->findData(term.operator_));
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// The value depends on the data type
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switch (SearchTerm::TypeOf(term.field_)) {
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case SearchTerm::Type_Text:
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if (ui_->value_stack->currentWidget() == ui_->page_empty) {
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ui_->value_text->setText("");
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} else {
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ui_->value_text->setText(term.value_.toString());
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}
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break;
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case SearchTerm::Type_Number:
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ui_->value_number->setValue(term.value_.toInt());
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break;
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case SearchTerm::Type_Date:
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if (ui_->value_stack->currentWidget() == ui_->page_date_numeric) {
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ui_->value_date_numeric->setValue(term.value_.toInt());
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ui_->date_type->setCurrentIndex(term.date_);
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} else if (ui_->value_stack->currentWidget() == ui_->page_date_relative) {
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ui_->value_date_numeric1->setValue(term.value_.toInt());
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ui_->value_date_numeric2->setValue(term.second_value_.toInt());
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ui_->date_type_relative->setCurrentIndex(term.date_);
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} else if (ui_->value_stack->currentWidget() == ui_->page_date) {
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ui_->value_date->setDateTime(
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QDateTime::fromTime_t(term.value_.toInt()));
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}
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break;
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case SearchTerm::Type_Time:
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ui_->value_time->setTime(QTime(0, 0).addSecs(term.value_.toInt()));
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break;
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case SearchTerm::Type_Rating:
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ui_->value_rating->set_rating(term.value_.toFloat());
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break;
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case SearchTerm::Type_Invalid:
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break;
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}
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}
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SearchTerm SearchTermWidget::Term() const {
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const int field = ui_->field->itemData(ui_->field->currentIndex()).toInt();
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const int op = ui_->op->itemData(ui_->op->currentIndex()).toInt();
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SearchTerm ret;
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ret.field_ = SearchTerm::Field(field);
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ret.operator_ = SearchTerm::Operator(op);
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// The value depends on the data type
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const QWidget* value_page = ui_->value_stack->currentWidget();
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if (value_page == ui_->page_text) {
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ret.value_ = ui_->value_text->text();
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} else if (value_page == ui_->page_empty) {
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ret.value_ = "";
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} else if (value_page == ui_->page_number) {
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ret.value_ = ui_->value_number->value();
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} else if (value_page == ui_->page_date) {
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ret.value_ = ui_->value_date->dateTime().toTime_t();
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} else if (value_page == ui_->page_time) {
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ret.value_ = QTime(0, 0).secsTo(ui_->value_time->time());
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} else if (value_page == ui_->page_rating) {
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ret.value_ = ui_->value_rating->rating();
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} else if (value_page == ui_->page_date_numeric) {
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ret.date_ = SearchTerm::DateType(ui_->date_type->currentIndex());
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ret.value_ = ui_->value_date_numeric->value();
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} else if (value_page == ui_->page_date_relative) {
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ret.date_ = SearchTerm::DateType(ui_->date_type_relative->currentIndex());
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ret.value_ = ui_->value_date_numeric1->value();
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ret.second_value_ = ui_->value_date_numeric2->value();
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}
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return ret;
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}
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void SearchTermWidget::RelativeValueChanged() {
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// Don't check for validity when creating the widget
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if (!initialized_) {
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initialized_ = true;
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return;
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}
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// Explain the user why he can't proceed
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if (ui_->value_date_numeric1->value() >= ui_->value_date_numeric2->value()) {
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QMessageBox::warning(
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this, tr("Clementine"),
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tr("The second value must be greater than the first one!"));
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}
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// Emit the signal in any case, so the Next button will be disabled
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emit Changed();
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}
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SearchTermWidget::Overlay::Overlay(SearchTermWidget* parent)
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: QWidget(parent),
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parent_(parent),
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opacity_(0.0),
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text_(tr("Add search term")),
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icon_(IconLoader::Load("list-add", IconLoader::Base).pixmap(kIconSize)) {
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raise();
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setFocusPolicy(Qt::TabFocus);
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}
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void SearchTermWidget::Overlay::SetOpacity(float opacity) {
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opacity_ = opacity;
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update();
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}
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void SearchTermWidget::Overlay::Grab() {
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hide();
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// Take a "screenshot" of the window
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QPixmap pixmap = parent_->grab();
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QImage image = pixmap.toImage();
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// Blur it
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QImage blurred(image.size(), QImage::Format_ARGB32_Premultiplied);
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blurred.fill(Qt::transparent);
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QPainter blur_painter(&blurred);
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qt_blurImage(&blur_painter, image, 10.0, true, false);
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blur_painter.end();
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pixmap_ = QPixmap::fromImage(blurred);
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resize(parent_->size());
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show();
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update();
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}
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void SearchTermWidget::Overlay::paintEvent(QPaintEvent*) {
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QPainter p(this);
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// Background
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p.fillRect(rect(), palette().window());
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// Blurred parent widget
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p.setOpacity(0.25 + opacity_ * 0.25);
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p.drawPixmap(0, 0, pixmap_);
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// Draw a frame
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p.setOpacity(1.0);
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p.setPen(palette().color(QPalette::Mid));
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p.setRenderHint(QPainter::Antialiasing);
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p.drawRoundedRect(rect(), 5, 5);
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// Geometry
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const QSize contents_size(kIconSize + kSpacing + fontMetrics().width(text_),
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qMax(kIconSize, fontMetrics().height()));
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const QRect contents(QPoint((width() - contents_size.width()) / 2,
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(height() - contents_size.height()) / 2),
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contents_size);
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const QRect icon(contents.topLeft(), QSize(kIconSize, kIconSize));
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const QRect text(icon.right() + kSpacing, icon.top(),
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contents.width() - kSpacing - kIconSize, contents.height());
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// Icon and text
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p.setPen(palette().color(QPalette::Text));
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p.drawPixmap(icon, icon_);
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p.drawText(text, Qt::TextDontClip | Qt::AlignVCenter, text_);
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}
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void SearchTermWidget::Overlay::mouseReleaseEvent(QMouseEvent*) {
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emit parent_->Clicked();
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}
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void SearchTermWidget::Overlay::keyReleaseEvent(QKeyEvent* e) {
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if (e->key() == Qt::Key_Space) emit parent_->Clicked();
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}
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} // namespace smart_playlists
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