195 lines
5.0 KiB
C++
195 lines
5.0 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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#ifndef GLOBALSEARCHWIDGET_H
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#define GLOBALSEARCHWIDGET_H
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#include "searchprovider.h"
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#include "ui/settingsdialog.h"
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#include <QScopedPointer>
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#include <QWidget>
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#include <boost/bimap.hpp>
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class GlobalSearch;
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class GlobalSearchTooltip;
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class LibraryBackendInterface;
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class Ui_GlobalSearchWidget;
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class QDesktopWidget;
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class QListView;
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class QMimeData;
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class QModelIndex;
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class QSortFilterProxyModel;
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class QStandardItemModel;
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class QToolButton;
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class GlobalSearchWidget : public QWidget {
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Q_OBJECT
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public:
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GlobalSearchWidget(QWidget* parent = 0);
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~GlobalSearchWidget();
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static const int kMinVisibleItems;
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static const int kMaxVisibleItems;
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static const int kSwapModelsTimeoutMsec;
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static const int kSuggestionTimeoutMsec;
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static const int kSuggestionCount;
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enum Role {
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Role_PrimaryResult = Qt::UserRole + 1,
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Role_AllResults,
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Role_LazyLoadingArt,
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Role_OrderArrived
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};
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void Init(GlobalSearch* engine_);
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// Called by the delegate
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void LazyLoadArt(const QModelIndex& index);
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// QObject
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bool eventFilter(QObject* o, QEvent* e);
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public slots:
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void ReloadSettings();
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void StartSearch(const QString& query);
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signals:
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void AddToPlaylist(QMimeData* data);
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void OpenSettingsAtPage(SettingsDialog::Page page);
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protected:
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void resizeEvent(QResizeEvent* e);
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void paintEvent(QPaintEvent* e);
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void showEvent(QShowEvent* e);
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void hideEvent(QHideEvent* e);
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private slots:
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void TextEdited(const QString& text);
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void AddResults(int id, const SearchProvider::ResultList& results);
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void ArtLoaded(int id, const QPixmap& pixmap);
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void TracksLoaded(int id, MimeData* mime_data);
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void ResultDoubleClicked();
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void AddCurrent();
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void AddAndPlayCurrent();
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void AddAndQueueCurrent();
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void ReplaceCurrent();
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void ReplaceAndPlayCurrent();
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void SettingsClicked();
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void HidePopup(bool manual);
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void UpdateTooltip();
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void UpdateTooltipPosition();
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void SwapModels();
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void NextSuggestion();
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private:
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// Return values from CanCombineResults
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enum CombineAction {
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CannotCombine, // The two results are different and can't be combined
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LeftPreferred, // The two results can be combined - the left one is better
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RightPreferred // The two results can be combined - the right one is better
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};
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class CombineCache {
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public:
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CombineCache(QAbstractItemModel* model);
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QModelIndexList FindCandidates(const QModelIndex& result) const;
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void Insert(const QModelIndex& index);
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void Remove(const QModelIndex& index);
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void Clear();
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static uint Hash(const QModelIndex& index);
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private:
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QAbstractItemModel* model_;
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QMultiMap<uint, int> data_;
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};
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void RepositionPopup();
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CombineAction CanCombineResults(const QModelIndex& left, const QModelIndex& right) const;
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void CombineResults(const QModelIndex& superior, const QModelIndex& inferior);
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bool EventFilterSearchWidget(QObject* o, QEvent* e);
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bool EventFilterPopup(QObject* o, QEvent* e);
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void LoadTracks(QAction* trigger);
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private:
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Ui_GlobalSearchWidget* ui_;
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GlobalSearch* engine_;
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int last_id_;
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int order_arrived_counter_;
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bool closed_since_search_began_;
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QMap<int, QModelIndex> art_requests_;
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QMap<int, QAction*> track_requests_;
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// Like graphics APIs have a front buffer and a back buffer, there's a front
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// model and a back model - the front model is the one that's shown in the
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// UI and the back model is the one that lies in wait. current_model_ will
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// point to either the front or the back model.
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QStandardItemModel* front_model_;
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QStandardItemModel* back_model_;
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QStandardItemModel* current_model_;
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QMap<QStandardItemModel*, CombineCache*> combine_cache_;
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QSortFilterProxyModel* front_proxy_;
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QSortFilterProxyModel* back_proxy_;
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QSortFilterProxyModel* current_proxy_;
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QListView* view_;
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bool consume_focus_out_;
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QTimer* swap_models_timer_;
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QPixmap background_;
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QPixmap background_scaled_;
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QDesktopWidget* desktop_;
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bool show_tooltip_;
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bool combine_identical_results_;
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QStringList provider_order_;
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QScopedPointer<GlobalSearchTooltip> tooltip_;
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QAction* add_;
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QAction* add_and_play_;
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QAction* add_and_queue_;
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QAction* replace_;
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QAction* replace_and_play_;
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QList<QAction*> actions_;
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QString hint_text_;
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QTimer* next_suggestion_timer_;
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};
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#endif // GLOBALSEARCHWIDGET_H
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