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     QVBoxLayout *vbox = new QVBoxLayout( this );
 112
 113     QSplitter * outer_splitter = new QSplitter( Qt::Horizontal, this );
 114     Q_CHECK_PTR( outer_splitter );
 115
 116     vbox->addWidget( outer_splitter );
 117
 118     QWidget * left_pane  = layoutLeftPane ( outer_splitter );
 119     QWidget * right_pane = layoutRightPane( outer_splitter );
 120
 121     int left_pane_width = (int) ( 0.3 * YQUI::ui()->defaultSize( YD_HORIZ ) );
 122     left_pane->resize( QSize( left_pane_width, left_pane->height() ) );
 123
 124     outer_splitter->setResizeMode( left_pane,  QSplitter::KeepSize );
 125     outer_splitter->setResizeMode( right_pane, QSplitter::Stretch  );
 126
 127     if ( ! _wizard )
 128         layoutButtons( this );
 129 }
 130
 131
 132
 133 QWidget *
 134 YQPatternSelector::layoutLeftPane( QWidget * parent )
 135 {
 136     Q3VBox * vbox = new Q3VBox( parent );
 137     Q_CHECK_PTR( vbox );
 138     vbox->setMargin( MARGIN );
 139
 140     if ( ! zyppPool().empty<zypp::Pattern>() )
 141     {
 142         //
 143         // Patterns list
 144         //
 145
 146         _patternList = new YQPkgPatternList( vbox,
 147                                              false,     // no autoFill - need to connect to details view first
 148                                              false );   // no autoFilter - filterMatch() is not connected
 149         Q_CHECK_PTR( _patternList );
 150         //FIXME _patternList->header()->hide();
 151     }
 152
 153     if ( ! _patternList )
 154     {
 155         //
 156         // Fallback: selections list
 157         //
 158
 159         /**
 160          * Create a selections list even if there are no selections, otherwise
 161          * the layout will look very weird. An empty selections list still
 162          * looks better than a lot of grey empty space.
 163          **/
 164
 165         y2warning( "No patterns in ZyppPool - using selections instead" );
 166         _selList = new YQPkgSelList( vbox,
 167                                      false,     // no autoFill - need to connect to details view first
 168                                      false );   // no autoFilter - filterMatch() is not connected
 169         Q_CHECK_PTR( _selList );
 170         //FIXME _selList->header()->hide();
 171     }
 172
 173     if ( _wizard )      // No button box - add "Details..." button here
 174     {
 175         //
 176         // "Details" button
 177         //
 178
 179         addVSpacing( vbox, SPACING );
 180
 181         Q3HBox * hbox = new Q3HBox( vbox );
 182         Q_CHECK_PTR( hbox );
 183
 184         QPushButton * details_button = new QPushButton( _( "&Details..." ), hbox );
 185         Q_CHECK_PTR( details_button );
 186
 187         connect( details_button, SIGNAL( clicked() ),
 188                  this,           SLOT  ( detailedPackageSelection() ) );
 189
 190         addHStretch( hbox );
 191     }
 192
 193     return vbox;
 194 }
 195
 196
 197
 198 QWidget *
 199 YQPatternSelector::layoutRightPane( QWidget * parent )
 200 {
 201     QSplitter * splitter = new QSplitter( Qt::Vertical, parent );
 202     Q_CHECK_PTR( splitter );
 203     splitter->setMargin( MARGIN );
 204
 205
 206     //
 207     // Selection / Pattern description
 208     //
 209
 210     Q3VBox * upper_vbox = new Q3VBox( splitter );
 211     Q_CHECK_PTR( upper_vbox );
 212
 213     _descriptionView = new YQPkgSelDescriptionView( upper_vbox );
 214     Q_CHECK_PTR( _descriptionView );
 215
 216     addVSpacing( upper_vbox, MARGIN );
 217
 218
 219     //
 220     // Disk usage
 221     //
 222
 223     Q3VBox * lower_vbox = new Q3VBox( splitter );
 224     Q_CHECK_PTR( lower_vbox );
 225     addVSpacing( lower_vbox, MARGIN );
 226
 227     _diskUsageList = new YQPkgDiskUsageList( lower_vbox );
 228     Q_CHECK_PTR( _diskUsageList );
 229
 230     splitter->setResizeMode( upper_vbox, QSplitter::Stretch );
 231     splitter->setResizeMode( lower_vbox, QSplitter::KeepSize );
 232
 233     return splitter;
 234 }
 235
 236
 237
 238 void
 239 YQPatternSelector::layoutButtons( QWidget * parent )
 240 {
 241     Q3HBox * button_box = new Q3HBox( parent );
 242     Q_CHECK_PTR( button_box );
 243     button_box->setMargin ( MARGIN  );
 244     button_box->setSpacing( SPACING );
 245
 246     parent->layout()->addWidget( button_box );
 247
 248     QPushButton * details_button = new QPushButton( _( "&Details..." ), button_box );
 249     Q_CHECK_PTR( details_button );
 250     details_button->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) ); // hor/vert
 251
 252     connect( details_button,    SIGNAL( clicked() ),
 253              this,              SLOT  ( detailedPackageSelection() ) );
 254
 255
 256     addHStretch( button_box );
 257
 258     QPushButton * cancel_button = new QPushButton( _( "&Cancel" ), button_box );
 259     Q_CHECK_PTR( cancel_button );
 260     cancel_button->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) ); // hor/vert
 261
 262     connect( cancel_button, SIGNAL( clicked() ),
 263              this,          SLOT  ( reject()   ) );
 264
 265
 266     QPushButton * accept_button = new QPushButton( _( "&Accept" ), button_box );
 267     Q_CHECK_PTR( accept_button );
 268     accept_button->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) ); // hor/vert
 269
 270     connect( accept_button, SIGNAL( clicked() ),
 271              this,          SLOT  ( accept()   ) );
 272
 273     button_box->setFixedHeight( button_box->sizeHint().height() );
 274 }
 275
 276
 277
 278 void
 279 YQPatternSelector::makeConnections()
 280 {
 281     if ( _patternList )
 282     {
 283 #if ALWAYS_SOLVE_IMMEDIATELY
 284         connect( _patternList,          SIGNAL( statusChanged()         ),
 285                  this,                  SLOT  ( resolveDependencies()   ) );
 286
 287         if ( _pkgConflictDialog )
 288         {
 289             connect( _pkgConflictDialog, SIGNAL( updatePackages()       ),
 290                      _patternList,       SLOT  ( updateItemStates()     ) );
 291         }
 292 #endif
 293
 294         if ( _descriptionView )
 295         {
 296             connect( _patternList,      SIGNAL( currentItemChanged( ZyppSel ) ),
 297                      _descriptionView,  SLOT  ( showDetails     ( ZyppSel ) ) );
 298         }
 299
 300         if ( _diskUsageList )
 301         {
 302             connect( _patternList,      SIGNAL( updatePackages()  ),
 303                      _diskUsageList,    SLOT  ( updateDiskUsage() ) );
 304         }
 305
 306     }
 307
 308     if ( _selList )
 309     {
 310 #if ALWAYS_SOLVE_IMMEDIATELY
 311         connect( _selList,              SIGNAL( statusChanged()         ),
 312                  this,                  SLOT  ( resolveDependencies()   ) );
 313
 314         if ( _pkgConflictDialog )
 315         {
 316             connect( _pkgConflictDialog, SIGNAL( updatePackages()       ),
 317                      _selList,           SLOT  ( updateItemStates()     ) );
 318         }
 319
 320 #endif
 321
 322         if ( _descriptionView )
 323         {
 324             connect( _selList,          SIGNAL( currentItemChanged( ZyppSel ) ),
 325                      _descriptionView,  SLOT  ( showDetails     ( ZyppSel ) ) );
 326         }
 327
 328         if ( _diskUsageList )
 329         {
 330             connect( _selList,          SIGNAL( updatePackages()  ),
 331                      _diskUsageList,    SLOT  ( updateDiskUsage() ) );
 332         }
 333     }
 334
 335     y2milestone( "Connection set up" );
 336
 337
 338     if ( _wizard )
 339     {
 340         connect( _wizard,       SIGNAL( nextClicked()   ),
 341                  this,          SLOT  ( accept()        ) );
 342
 343         connect( _wizard,       SIGNAL( backClicked()   ),
 344                  this,          SLOT  ( reject()        ) );
 345
 346         connect( _wizard,       SIGNAL( abortClicked()  ),
 347                  this,          SLOT  ( reject()        ) );
 348     }
 349 }
 350
 351
 352 void
 353 YQPatternSelector::detailedPackageSelection()
 354 {
 355     y2milestone( "\"Details..\" button clicked" );
 356     YQUI::ui()->sendEvent( new YMenuEvent( YCPSymbol( "details" ) ) );
 357 }
 358
 359
 360 void
 361 YQPatternSelector::debugTrace()
 362 {
 363     y2warning( "debugTrace" );
 364 }
 365
 366
 367
 368 #include "YQPatternSelector.moc"