src/pkg/YQPatternSelector.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPatternSelector.cc
  14   See also:   YQPatternSelectorHelp.cc
  15
  16   Author:     Stefan Hundhammer <sh@suse.de>
  17
  18   Textdomain "packages-qt"
  19
  20 /-*/
  21
  22 #define QT3_SUPPORT 1
  23
  24 #include <qapplication.h>
  25 #include <q3hbox.h>
  26 #include <q3header.h>
  27 #include <qpushbutton.h>
  28 #include <qsplitter.h>
  29
  30 #define y2log_component "qt-pkg"
  31 #include <ycp/y2log.h>
  32
  33 #include "QY2LayoutUtils.h"
  34
  35 #include "YQPatternSelector.h"
  36 #include "YQPkgConflictDialog.h"
  37 #include "YQPkgSelDescriptionView.h"
  38 #include "YQPkgDiskUsageList.h"
  39 #include "YQPkgPatternList.h"
  40 #include "YQPkgSelList.h"
  41 #include "YQWizard.h"
  42 #include "YQDialog.h"
  43
  44 #include "utf8.h"
  45 #include "YQUI.h"
  46 #include "YEvent.h"
  47 #include "YQi18n.h"
  48
  49 #define ALWAYS_SOLVE_IMMEDIATELY 1
  50
  51 using std::max;
  52 using std::string;
  53
  54 #define SPACING                 6
  55 #define MARGIN                  6
  56
  57
  58 YQPatternSelector::YQPatternSelector( YWidget * parent, long modeFlags )
  59     : YQPackageSelectorBase( parent, modeFlags )
  60 {
  61     _patternList                = 0;
  62     _selList                    = 0;
  63     _descriptionView            = 0;
  64     _wizard                     = findWizard();
  65
  66     basicLayout();
  67     makeConnections();
  68
  69     if ( _patternList )
  70     {
  71         _patternList->fillList();
  72         _patternList->selectSomething();
  73     }
  74     else if ( _selList )
  75     {
  76         _selList->fillList();
  77         _selList->selectSomething();
  78     }
  79
  80     if ( zyppPool().empty<zypp::Pattern  >() &&
  81          zyppPool().empty<zypp::Selection>()   )
  82     {
  83         y2warning( "Neither patterns nor selections in ZyppPool" );
  84     }
  85
  86
  87     if ( _diskUsageList )
  88         _diskUsageList->updateDiskUsage();
  89 }
  90
  91
  92
  93 YQWizard *
  94 YQPatternSelector::findWizard() const
  95 {
  96     YQWizard * wizard = 0;
  97
  98     YQDialog * dialog = dynamic_cast<YQDialog *> ( YDialog::currentDialog() );
  99
 100     if ( dialog )
 101         wizard = dialog->findWizard();
 102
 103     return wizard;
 104 }
 105
 106
 107
 108 void
 109 YQPatternSelector::basicLayout()
 110 {
 111     QSplitter * outer_splitter = new QSplitter( Qt::Horizontal, this );
 112     Q_CHECK_PTR( outer_splitter );
 113
 114     QWidget * left_pane  = layoutLeftPane ( outer_splitter );
 115     QWidget * right_pane = layoutRightPane( outer_splitter );
 116
 117     int left_pane_width = (int) ( 0.3 * YQUI::ui()->defaultSize( YD_HORIZ ) );
 118     left_pane->resize( QSize( left_pane_width, left_pane->height() ) );
 119
 120     outer_splitter->setResizeMode( left_pane,  QSplitter::KeepSize );
 121     outer_splitter->setResizeMode( right_pane, QSplitter::Stretch  );
 122
 123     if ( ! _wizard )
 124         layoutButtons( this );
 125 }
 126
 127
 128
 129 QWidget *
 130 YQPatternSelector::layoutLeftPane( QWidget * parent )
 131 {
 132     Q3VBox * vbox = new Q3VBox( parent );
 133     Q_CHECK_PTR( vbox );
 134     vbox->setMargin( MARGIN );
 135
 136     if ( ! zyppPool().empty<zypp::Pattern>() )
 137     {
 138         //
 139         // Patterns list
 140         //
 141
 142         _patternList = new YQPkgPatternList( vbox,
 143                                              false,     // no autoFill - need to connect to details view first
 144                                              false );   // no autoFilter - filterMatch() is not connected
 145         Q_CHECK_PTR( _patternList );
 146         //FIXME _patternList->header()->hide();
 147     }
 148
 149     if ( ! _patternList )
 150     {
 151         //
 152         // Fallback: selections list
 153         //
 154
 155         /**
 156          * Create a selections list even if there are no selections, otherwise
 157          * the layout will look very weird. An empty selections list still
 158          * looks better than a lot of grey empty space.
 159          **/
 160
 161         y2warning( "No patterns in ZyppPool - using selections instead" );
 162         _selList = new YQPkgSelList( vbox,
 163                                      false,     // no autoFill - need to connect to details view first
 164                                      false );   // no autoFilter - filterMatch() is not connected
 165         Q_CHECK_PTR( _selList );
 166         //FIXME _selList->header()->hide();
 167     }
 168
 169     if ( _wizard )      // No button box - add "Details..." button here
 170     {
 171         //
 172         // "Details" button
 173         //
 174
 175         addVSpacing( vbox, SPACING );
 176
 177         Q3HBox * hbox = new Q3HBox( vbox );
 178         Q_CHECK_PTR( hbox );
 179
 180         QPushButton * details_button = new QPushButton( _( "&Details..." ), hbox );
 181         Q_CHECK_PTR( details_button );
 182
 183         connect( details_button, SIGNAL( clicked() ),
 184                  this,           SLOT  ( detailedPackageSelection() ) );
 185
 186         addHStretch( hbox );
 187     }
 188
 189     return vbox;
 190 }
 191
 192
 193
 194 QWidget *
 195 YQPatternSelector::layoutRightPane( QWidget * parent )
 196 {
 197     QSplitter * splitter = new QSplitter( Qt::Vertical, parent );
 198     Q_CHECK_PTR( splitter );
 199     splitter->setMargin( MARGIN );
 200
 201
 202     //
 203     // Selection / Pattern description
 204     //
 205
 206     Q3VBox * upper_vbox = new Q3VBox( splitter );
 207     Q_CHECK_PTR( upper_vbox );
 208
 209     _descriptionView = new YQPkgSelDescriptionView( upper_vbox );
 210     Q_CHECK_PTR( _descriptionView );
 211
 212     addVSpacing( upper_vbox, MARGIN );
 213
 214
 215     //
 216     // Disk usage
 217     //
 218
 219     Q3VBox * lower_vbox = new Q3VBox( splitter );
 220     Q_CHECK_PTR( lower_vbox );
 221     addVSpacing( lower_vbox, MARGIN );
 222
 223     _diskUsageList = new YQPkgDiskUsageList( lower_vbox );
 224     Q_CHECK_PTR( _diskUsageList );
 225
 226     splitter->setResizeMode( upper_vbox, QSplitter::Stretch );
 227     splitter->setResizeMode( lower_vbox, QSplitter::KeepSize );
 228
 229     return splitter;
 230 }
 231
 232
 233
 234 void
 235 YQPatternSelector::layoutButtons( QWidget * parent )
 236 {
 237     Q3HBox * button_box = new Q3HBox( parent );
 238     Q_CHECK_PTR( button_box );
 239     button_box->setMargin ( MARGIN  );
 240     button_box->setSpacing( SPACING );
 241
 242
 243     QPushButton * details_button = new QPushButton( _( "&Details..." ), button_box );
 244     Q_CHECK_PTR( details_button );
 245     details_button->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) ); // hor/vert
 246
 247     connect( details_button,    SIGNAL( clicked() ),
 248              this,              SLOT  ( detailedPackageSelection() ) );
 249
 250
 251     addHStretch( button_box );
 252
 253     QPushButton * cancel_button = new QPushButton( _( "&Cancel" ), button_box );
 254     Q_CHECK_PTR( cancel_button );
 255     cancel_button->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) ); // hor/vert
 256
 257     connect( cancel_button, SIGNAL( clicked() ),
 258              this,          SLOT  ( reject()   ) );
 259
 260
 261     QPushButton * accept_button = new QPushButton( _( "&Accept" ), button_box );
 262     Q_CHECK_PTR( accept_button );
 263     accept_button->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) ); // hor/vert
 264
 265     connect( accept_button, SIGNAL( clicked() ),
 266              this,          SLOT  ( accept()   ) );
 267
 268     button_box->setFixedHeight( button_box->sizeHint().height() );
 269 }
 270
 271
 272
 273 void
 274 YQPatternSelector::makeConnections()
 275 {
 276     if ( _patternList )
 277     {
 278 #if ALWAYS_SOLVE_IMMEDIATELY
 279         connect( _patternList,          SIGNAL( statusChanged()         ),
 280                  this,                  SLOT  ( resolveDependencies()   ) );
 281
 282         if ( _pkgConflictDialog )
 283         {
 284             connect( _pkgConflictDialog, SIGNAL( updatePackages()       ),
 285                      _patternList,       SLOT  ( updateItemStates()     ) );
 286         }
 287 #endif
 288
 289         if ( _descriptionView )
 290         {
 291             connect( _patternList,      SIGNAL( currentItemChanged( ZyppSel ) ),
 292                      _descriptionView,  SLOT  ( showDetails     ( ZyppSel ) ) );
 293         }
 294
 295         if ( _diskUsageList )
 296         {
 297             connect( _patternList,      SIGNAL( updatePackages()  ),
 298                      _diskUsageList,    SLOT  ( updateDiskUsage() ) );
 299         }
 300
 301     }
 302
 303     if ( _selList )
 304     {
 305 #if ALWAYS_SOLVE_IMMEDIATELY
 306         connect( _selList,              SIGNAL( statusChanged()         ),
 307                  this,                  SLOT  ( resolveDependencies()   ) );
 308
 309         if ( _pkgConflictDialog )
 310         {
 311             connect( _pkgConflictDialog, SIGNAL( updatePackages()       ),
 312                      _selList,           SLOT  ( updateItemStates()     ) );
 313         }
 314
 315 #endif
 316
 317         if ( _descriptionView )
 318         {
 319             connect( _selList,          SIGNAL( currentItemChanged( ZyppSel ) ),
 320                      _descriptionView,  SLOT  ( showDetails     ( ZyppSel ) ) );
 321         }
 322
 323         if ( _diskUsageList )
 324         {
 325             connect( _selList,          SIGNAL( updatePackages()  ),
 326                      _diskUsageList,    SLOT  ( updateDiskUsage() ) );
 327         }
 328     }
 329
 330     y2milestone( "Connection set up" );
 331
 332
 333     if ( _wizard )
 334     {
 335         connect( _wizard,       SIGNAL( nextClicked()   ),
 336                  this,          SLOT  ( accept()        ) );
 337
 338         connect( _wizard,       SIGNAL( backClicked()   ),
 339                  this,          SLOT  ( reject()        ) );
 340
 341         connect( _wizard,       SIGNAL( abortClicked()  ),
 342                  this,          SLOT  ( reject()        ) );
 343     }
 344 }
 345
 346
 347 void
 348 YQPatternSelector::detailedPackageSelection()
 349 {
 350     y2milestone( "\"Details..\" button clicked" );
 351     YQUI::ui()->sendEvent( new YMenuEvent( YCPSymbol( "details" ) ) );
 352 }
 353
 354
 355 void
 356 YQPatternSelector::debugTrace()
 357 {
 358     y2warning( "debugTrace" );
 359 }
 360
 361
 362
 363 #include "YQPatternSelector.moc"