workspace/krunner/interfaces/default/resultscene.h

   1 /***************************************************************************
   2  *   Copyright 2007 by Enrico Ros <enrico.ros@gmail.com>                   *
   3  *   Copyright 2007 by Riccardo Iaconelli <ruphy@kde.org>                  *
   4  *   Copyright 2008 by Aaron Seigo <aseigo@kde.org>                        *
   5  *   Copyright 2008 by Davide Bettio <davide.bettio@kdemail.net>           *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program is distributed in the hope that it will be useful,       *
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program; if not, write to the                         *
  19  *   Free Software Foundation, Inc.,                                       *
  20  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  21  ***************************************************************************/
  22
  23 #ifndef __ResultScene_h__
  24 #define __ResultScene_h__
  25
  26 #include <QtCore/QList>
  27 #include <QtCore/QMultiMap>
  28 #include <QtCore/QTimer>
  29 #include <QtGui/QGraphicsScene>
  30 #include <QtGui/QIcon>
  31 #include <QtGui/QPixmap>
  32
  33 #include <Plasma/QueryMatch>
  34
  35 namespace Plasma
  36 {
  37     class RunnerManager;
  38     class FrameSvg;
  39 }
  40
  41 class ResultItem;
  42
  43 class ResultScene : public QGraphicsScene
  44 {
  45     Q_OBJECT
  46
  47     public:
  48         explicit ResultScene(Plasma::RunnerManager *runnerManager, QObject *parent = 0);
  49         ~ResultScene();
  50
  51         void resize(int width, int height);
  52         ResultItem* defaultResultItem() const;
  53         void run(ResultItem* item) const;
  54         QSize minimumSizeHint() const;
  55
  56         Plasma::RunnerManager* manager() const;
  57
  58         uint pageCount() const;
  59
  60     public slots:
  61         void nextPage();
  62         void previousPage();
  63         void setPage(uint index);
  64         void setQueryMatches(const QList<Plasma::QueryMatch> &matches);
  65         void launchQuery(const QString &term);
  66         void launchQuery(const QString &term, const QString &runner);
  67         void clearQuery();
  68
  69     signals:
  70         void itemActivated(ResultItem *item);
  71         void itemHoverEnter(ResultItem *item);
  72         void itemHoverLeave(ResultItem *item);
  73         void matchCountChanged(int count);
  74
  75     protected:
  76         void keyPressEvent(QKeyEvent * keyEvent);
  77         void focusOutEvent(QFocusEvent *focusEvent);
  78         void wheelEvent(QGraphicsSceneWheelEvent * wheelEvent);
  79
  80     private:
  81         ResultItem* addQueryMatch(const Plasma::QueryMatch &match, bool useAnyId);
  82         void performResize(int width, int height);
  83
  84         Plasma::RunnerManager *m_runnerManager;
  85
  86         QSize       m_size;
  87         QPixmap     m_backPixmap;
  88         QPixmap     m_forePixmap1;
  89         QPixmap     m_forePixmap2;
  90
  91         // for resize optimization
  92         QTimer      m_resizeTimer;
  93         QTimer      m_clearTimer;
  94         bool        m_successfullyResized;
  95         int         m_resizeW;
  96         int         m_resizeH;
  97
  98         QList<ResultItem *>  m_items;
  99         QMultiMap<QString, ResultItem *>  m_itemsById;
 100
 101         int m_cIndex;
 102         int m_rowStride;
 103         int m_pageStride;
 104         uint m_pageCount;
 105         uint m_currentPage;
 106         Plasma::FrameSvg *m_frame;
 107
 108     private slots:
 109         void layoutIcons();
 110         void slotArrowResultItemPressed();
 111         void slotArrowResultItemReleased();
 112         void clearMatches();
 113 };
 114
 115 #endif