src/pkg/YQPkgConflictDialog.h

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPkgConflictDialog.h
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19
  20 #ifndef YQPkgConflictDialog_h
  21 #define YQPkgConflictDialog_h
  22
  23 #include <qdialog.h>
  24 //Added by qt3to4:
  25 #include <q3popupmenu.h>
  26 #include <qlabel.h>
  27
  28 class YQPkgConflictList;
  29 class PMManager;
  30 class QPushButton;
  31 class Q3PopupMenu;
  32 class QLabel;
  33
  34
  35 /**
  36  * @short Dialog that takes care of dependency checking and resolving
  37  * conflicts.
  38  **/
  39 class YQPkgConflictDialog: public QDialog
  40 {
  41     Q_OBJECT
  42
  43 public:
  44
  45     /**
  46      * Constructor. Does not pop up a dialog yet.
  47      * Use solveAndShowConflicts().
  48      **/
  49     YQPkgConflictDialog( QWidget * parent );
  50
  51     /**
  52      * Destructor.
  53      **/
  54     virtual ~YQPkgConflictDialog();
  55
  56     /**
  57      * Reimplemented from QWidget:
  58      * Reserve a reasonable amount of space.
  59      **/
  60     virtual QSize sizeHint() const;
  61
  62     /**
  63      * Returns the average time in seconds used for solving or 0 if solving
  64      * hasn't taken place yet.
  65      **/
  66     double averageSolveTime() const;
  67
  68     /**
  69      * Returns the total amount of time in seconds used for solving.
  70      **/
  71     double totalSolveTime() const { return _totalSolveTime; }
  72
  73     /**
  74      * Returns the times solving has taken place (with this dialog).
  75      **/
  76     int solveCount() const { return _solveCount; }
  77
  78     /**
  79      * Reset all previously ignored dependency problems.
  80      **/
  81     static void resetIgnoredDependencyProblems();
  82
  83
  84 public slots:
  85
  86     /**
  87      * Run the package dependency solver for the current package set and open
  88      * the conflict dialog if there are any conflicts.
  89      * Returns only when the conflict dialog is closed.
  90      *
  91      * Returns QDialog::Accepted or QDialog::Rejected.
  92      **/
  93     int solveAndShowConflicts();
  94
  95     /**
  96      * Run the package dependency solver for the currently installed system
  97      * plus the packages that are marked for installation (or update or...) and
  98      * open the conflict dialog if there are any conflicts.
  99      * Returns only when the conflict dialog is closed.
 100      *
 101      * Returns QDialog::Accepted or QDialog::Rejected.
 102      **/
 103     int verifySystem();
 104
 105     /**
 106      * Mini-wizard to generate solver test case:
 107      *
 108      *   - Inform user what this is all about
 109      *   - Tell user where the files will go
 110      *   - Generate test case
 111      *   - Ask user if he would like to pack it all into y2logs.tgz
 112      *   - Prompt user for path for y2logs.tgz
 113      *   - Save y2logs.tgz
 114      **/
 115     void askCreateSolverTestCase();
 116
 117
 118 signals:
 119
 120     /**
 121      * Update package states - they may have changed.
 122      **/
 123     void updatePackages();
 124
 125
 126 protected:
 127
 128     /**
 129      * Initialize solving: Post "busy" popup etc.
 130      **/
 131     void prepareSolving();
 132
 133     /**
 134      * Process the result of solving: Post conflict dialog, if neccessary.
 135      * 'success' is the return value of the preceding solver call.
 136      * Returns either QDialog::Accepted or QDialog::Rejected.
 137      **/
 138     int  processSolverResult( bool success );
 139
 140     /**
 141      * Event handler for keyboard input.
 142      * Only very special keys are processed here.
 143      *
 144      * Inherited from QWidget.
 145      **/
 146     void keyPressEvent( QKeyEvent * e );
 147
 148
 149
 150     //
 151     // Data members
 152     //
 153
 154     YQPkgConflictList * _conflictList;
 155     Q3PopupMenu *       _expertMenu;
 156     QLabel *            _busyPopup;
 157
 158     double              _totalSolveTime;
 159     int                 _solveCount;
 160 };
 161
 162
 163
 164 #endif // ifndef YQPkgConflictDialog_h