src/pkg/YQPkgSearchFilterView.h

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPkgSearchFilterView.h
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19
  20 #ifndef YQPkgSearchFilterView_h
  21 #define YQPkgSearchFilterView_h
  22
  23 #include "YQZypp.h"
  24 #include <QWidget>
  25 #include <QRegExp>
  26 #include <QEvent>
  27
  28
  29 class QComboBox;
  30 class QCheckBox;
  31 class QPushButton;
  32 class QRadioButton;
  33
  34 using std::list;
  35 using std::string;
  36
  37
  38 /**
  39  * @short Filter view for searching within packages
  40  **/
  41 class YQPkgSearchFilterView : public QWidget
  42 {
  43     Q_OBJECT
  44
  45 public:
  46
  47     /**
  48      * Constructor
  49      **/
  50     YQPkgSearchFilterView( QWidget * parent );
  51
  52     /**
  53      * Destructor
  54      **/
  55     virtual ~YQPkgSearchFilterView();
  56
  57     /**
  58      * Returns the minimum size required for this widget.
  59      * Inherited from QWidget.
  60      **/
  61     virtual QSize minimumSizeHint() const;
  62
  63     /**
  64      * Check one ResObject against the currently selected values.
  65      * Returns true if the package matches, false if not.
  66      **/
  67     bool check( ZyppSel selectable,
  68                 ZyppObj zyppObj );
  69
  70
  71 public slots:
  72
  73     /**
  74      * Filter according to the view's rules and current selection.
  75      * Emits those signals:
  76      *    filterStart()
  77      *    filterMatch() for each pkg that matches the filter
  78      *    filterFinished()
  79      **/
  80     void filter();
  81
  82     /**
  83      * Same as filter(), but only if this widget is currently visible.
  84      **/
  85     void filterIfVisible();
  86
  87     /**
  88      * Set the keyboard focus into this view's input field.
  89      **/
  90     void setFocus();
  91
  92
  93 signals:
  94
  95     /**
  96      * Emitted when the filtering starts. Use this to clear package lists
  97      * etc. prior to adding new entries.
  98      **/
  99     void filterStart();
 100
 101     /**
 102      * Emitted during filtering for each pkg that matches the filter.
 103      **/
 104     void filterMatch( ZyppSel   selectable,
 105                       ZyppPkg   pkg );
 106
 107     /**
 108      * Emitted when filtering is finished.
 109      **/
 110     void filterFinished();
 111
 112     /**
 113      * Send a short message about unsuccessful searches.
 114      **/
 115     void message( const QString & text );
 116
 117
 118 protected:
 119
 120     // Caution: Enum order must match corresponding message strings in combo box!
 121     typedef enum SearchMode
 122     {
 123         Contains = 0,
 124         BeginsWith,
 125         ExactMatch,
 126         UseWildcards,
 127         UseRegExp
 128     };
 129
 130
 131     /**
 132      * Check if pkg matches the search criteria.
 133      **/
 134     bool check( ZyppSel selectable,
 135                 ZyppObj         zyppObj,
 136                 const QRegExp &                 regexp );
 137
 138     /**
 139      * Check if a single pkg attribute matches the search criteria.
 140      **/
 141     bool check( const string & attribute, const QRegExp & regexp );
 142
 143     /**
 144      * Check capability like
 145      * zypp::Resolvable::dep( zypp::Dep::PROVIDES ),
 146      * zypp::Resolvable::dep( zypp::Dep::REQUIRES )
 147      **/
 148     bool check( const zypp::CapSet & capSet, const QRegExp & regexp );
 149
 150     /**
 151      * Key press event: Execute search upon 'Return'
 152      * Reimplemented from QVBox / QWidget.
 153      **/
 154     virtual void keyPressEvent( QKeyEvent * event );
 155
 156
 157     // Data members
 158
 159     QComboBox *         _searchText;
 160     QPushButton *       _searchButton;
 161
 162     QCheckBox *         _searchInName;
 163     QCheckBox *         _searchInSummary;
 164     QCheckBox *         _searchInDescription;
 165     QCheckBox *         _searchInRequires;
 166     QCheckBox *         _searchInProvides;
 167
 168     QComboBox *         _searchMode;
 169     QCheckBox *         _caseSensitive;
 170
 171     int                 _matchCount;
 172 };
 173
 174
 175
 176 #endif // ifndef YQPkgSearchFilterView_h