src/search/dolphinsearchbox.h

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2009 by Matthias Fuchs <mat69@gmx.net>                  *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20 #ifndef DOLPHINSEARCHBOX_H
  21 #define DOLPHINSEARCHBOX_H
  22
  23 #include <QWidget>
  24
  25 #include <KIcon>
  26
  27 class KLineEdit;
  28 class KUrl;
  29 class QCompleter;
  30 class QModelIndex;
  31 class QStandardItemModel;
  32 class QToolButton;
  33
  34 /**
  35  * @brief used for completition for the DolphinSearchBox
  36  */
  37 class DolphinSearchCompleter : public QObject
  38 {
  39     Q_OBJECT
  40
  41 public:
  42     DolphinSearchCompleter(KLineEdit *linedit);
  43
  44 public slots:
  45     void highlighted(const QModelIndex& index);
  46     void activated(const QModelIndex& index);
  47     void slotTextEdited(const QString &text);
  48
  49 private:
  50     void addCompletionItem(const QString& displayed, const QString& usedForCompletition, const QString& description = QString(), const QString& toolTip = QString(), const KIcon& icon = KIcon());
  51
  52     void findText(int* wordStart, int* wordEnd, QString* newWord, int cursorPos, const QString &input);
  53
  54 private:
  55     KLineEdit* q;
  56     QCompleter* m_completer;
  57     QStandardItemModel* m_completionModel;
  58     QString m_userText;
  59     int m_wordStart;
  60     int m_wordEnd;
  61 };
  62
  63 /**
  64  * @brief Input box for searching files with Nepomuk.
  65  */
  66 class DolphinSearchBox : public QWidget
  67 {
  68     Q_OBJECT
  69
  70 public:
  71     DolphinSearchBox(QWidget* parent = 0);
  72     virtual ~DolphinSearchBox();
  73
  74 protected:
  75     virtual bool event(QEvent* event);
  76     virtual bool eventFilter(QObject* watched, QEvent* event);
  77
  78 signals:
  79     /**
  80      * Is emitted when the user pressed Return or Enter
  81      * and provides the Nepomuk URL that should be used
  82      * for searching.
  83      */
  84     void search(const KUrl& url);
  85
  86     /**
  87      * Is emitted if the text of the searchbox has been changed.
  88      */
  89     void textChanged(const QString& text);
  90
  91 private slots:
  92     void emitSearchSignal();
  93
  94 private:
  95     KLineEdit* m_searchInput;
  96     QToolButton* m_searchButton;
  97
  98     DolphinSearchCompleter* m_completer;
  99 };
 100
 101 #endif