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 <q3vbox.h>
  25 #include <qregexp.h>
  26 //Added by qt3to4:
  27 #include <qevent.h>
  28
  29
  30 class QComboBox;
  31 class QCheckBox;
  32 class QPushButton;
  33 class QRadioButton;
  34
  35 using std::list;
  36 using std::string;
  37
  38
  39 /**
  40  * @short Filter view for searching within packages
  41  **/
  42 class YQPkgSearchFilterView : public Q3VBox
  43 {
  44     Q_OBJECT
  45
  46 public:
  47
  48     /**
  49      * Constructor
  50      **/
  51     YQPkgSearchFilterView( QWidget * parent );
  52
  53     /**
  54      * Destructor
  55      **/
  56     virtual ~YQPkgSearchFilterView();
  57
  58     /**
  59      * Returns the minimum size required for this widget.
  60      * Inherited from QWidget.
  61      **/
  62     virtual QSize minimumSizeHint() const;
  63
  64     /**
  65      * Check one ResObject against the currently selected values.
  66      * Returns true if the package matches, false if not.
  67      **/
  68     bool check( ZyppSel selectable,
  69                 ZyppObj zyppObj );
  70
  71
  72 public slots:
  73
  74     /**
  75      * Filter according to the view's rules and current selection.
  76      * Emits those signals:
  77      *    filterStart()
  78      *    filterMatch() for each pkg that matches the filter
  79      *    filterFinished()
  80      **/
  81     void filter();
  82
  83     /**
  84      * Same as filter(), but only if this widget is currently visible.
  85      **/
  86     void filterIfVisible();
  87
  88     /**
  89      * Set the keyboard focus into this view's input field.
  90      **/
  91     void setFocus();
  92
  93
  94 signals:
  95
  96     /**
  97      * Emitted when the filtering starts. Use this to clear package lists
  98      * etc. prior to adding new entries.
  99      **/
 100     void filterStart();
 101
 102     /**
 103      * Emitted during filtering for each pkg that matches the filter.
 104      **/
 105     void filterMatch( ZyppSel   selectable,
 106                       ZyppPkg   pkg );
 107
 108     /**
 109      * Emitted when filtering is finished.
 110      **/
 111     void filterFinished();
 112
 113     /**
 114      * Send a short message about unsuccessful searches.
 115      **/
 116     void message( const QString & text );
 117
 118
 119 protected:
 120
 121     // Caution: Enum order must match corresponding message strings in combo box!
 122     typedef enum SearchMode
 123     {
 124         Contains = 0,
 125         BeginsWith,
 126         ExactMatch,
 127         UseWildcards,
 128         UseRegExp
 129     };
 130
 131
 132     /**
 133      * Check if pkg matches the search criteria.
 134      **/
 135     bool check( ZyppSel selectable,
 136                 ZyppObj         zyppObj,
 137                 const QRegExp &                 regexp );
 138
 139     /**
 140      * Check if a single pkg attribute matches the search criteria.
 141      **/
 142     bool check( const string & attribute, const QRegExp & regexp );
 143
 144     /**
 145      * Check capability like
 146      * zypp::Resolvable::dep( zypp::Dep::PROVIDES ),
 147      * zypp::Resolvable::dep( zypp::Dep::REQUIRES )
 148      **/
 149     bool check( const zypp::CapSet & capSet, const QRegExp & regexp );
 150
 151     /**
 152      * Key press event: Execute search upon 'Return'
 153      * Reimplemented from QVBox / QWidget.
 154      **/
 155     virtual void keyPressEvent( QKeyEvent * event );
 156
 157
 158     // Data members
 159
 160     QComboBox *         _searchText;
 161     QPushButton *       _searchButton;
 162
 163     QCheckBox *         _searchInName;
 164     QCheckBox *         _searchInSummary;
 165     QCheckBox *         _searchInDescription;
 166     QCheckBox *         _searchInRequires;
 167     QCheckBox *         _searchInProvides;
 168
 169     QComboBox *         _searchMode;
 170     QCheckBox *         _caseSensitive;
 171
 172     int                 _matchCount;
 173 };
 174
 175
 176
 177 #endif // ifndef YQPkgSearchFilterView_h