src/pkg/YQPkgSelDescriptionView.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPkgSelDescriptionView.cc
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19 #define y2log_component "qt-pkg"
  20 #include <ycp/y2log.h>
  21
  22 #include <unistd.h>
  23 #include <QRegExp>
  24
  25 #include "YQPkgSelDescriptionView.h"
  26 #include "YQUI.h"
  27 #include "YQi18n.h"
  28 #include "utf8.h"
  29
  30 using std::list;
  31 using std::string;
  32
  33
  34 YQPkgSelDescriptionView::YQPkgSelDescriptionView( QWidget * parent )
  35     : YQPkgDescriptionView( parent )
  36 {
  37 }
  38
  39
  40 YQPkgSelDescriptionView::~YQPkgSelDescriptionView()
  41 {
  42     // NOP
  43 }
  44
  45
  46 void
  47 YQPkgSelDescriptionView::showDetails( ZyppSel selectable )
  48 {
  49     _selectable = selectable;
  50
  51     if ( ! selectable )
  52     {
  53         clear();
  54         return;
  55     }
  56
  57     QString html_text = htmlHeading( selectable );
  58
  59     QString description = fromUTF8( selectable->theObj()->description() );
  60
  61     if ( ! description.contains( "<!-- DT:Rich -->" ) )
  62         description = simpleHtmlParagraphs( description );
  63
  64     html_text += description;
  65
  66     setTextFormat( Qt::RichText );
  67     setText( html_text );
  68     ensureVisible( 0, 0 );      // Otherwise hyperlinks will be centered
  69 }
  70
  71
  72
  73 QString
  74 YQPkgSelDescriptionView::htmlHeading( ZyppSel selectable )
  75 {
  76     ZyppObj             zyppObj         = selectable->theObj();
  77     ZyppSelection       selection       = tryCastToZyppSelection( zyppObj );
  78     ZyppPattern         pattern         = tryCastToZyppPattern  ( zyppObj );
  79
  80     if ( ! selection && ! pattern )
  81         return YQPkgGenericDetailsView::htmlHeading( selectable );
  82
  83     QString summary = fromUTF8( zyppObj->summary() );
  84     bool useBigFont = ( summary.length() <= 40 );
  85
  86     if ( summary.isEmpty() )                    // No summary?
  87         summary = fromUTF8( zyppObj->name() );  // Use name instead (internal only normally)
  88
  89     QString icon = pattern ? pattern->icon().asString().c_str() : "";
  90
  91     if ( icon.isEmpty() )
  92     {
  93         icon = zyppObj->name().c_str();
  94         icon.replace( ' ', '_' );
  95     }
  96
  97     if ( ! icon.isEmpty() )
  98     {
  99         if ( icon.startsWith( "./" ) )
 100             icon.replace( QRegExp( "^\\./" ), "" );
 101
 102         if ( ! icon.endsWith( ".png", Qt::CaseInsensitive ) &&
 103              ! icon.endsWith( ".jpg", Qt::CaseInsensitive )   )
 104             icon += ".png";
 105
 106         QString origIconName = icon;
 107
 108         if ( ! icon.contains( "/" ) )           // no path at all
 109         {
 110             // Look in icon directories:
 111             //
 112             //   /usr/share/YaST2/theme/current/icons/32x32/apps/
 113             //   /usr/share/YaST2/theme/current/icons/48x48/apps/
 114
 115             QString iconBaseName = icon;
 116             icon = findIcon( QString( THEMEDIR ) + "/icons/32x32/apps/" + iconBaseName );
 117
 118             if ( icon.isEmpty() )
 119                 icon = findIcon( QString( THEMEDIR ) + "/icons/48x48/apps/" + iconBaseName );
 120         }
 121         else if ( ! icon.startsWith( "/" ) )    // relative path
 122         {
 123             // Use path relative to theme directory:
 124             //
 125             //   /usr/share/YaST2/theme/current/ + icon
 126
 127             icon = findIcon( QString( THEMEDIR ) + "/" + icon );
 128         }
 129
 130         if ( pattern && icon.isEmpty() )
 131             y2warning( "No icon for pattern %s - icon name: %s",
 132                        zyppObj->name().c_str(), qPrintable(origIconName) );
 133     }
 134
 135
 136     QString html = "<table width=100%";
 137
 138     if ( ! YQUI::ui()->usingVisionImpairedPalette() )
 139         html += " bgcolor=#C8C8F8";     // or #E0E0F8 (very light blueish grey)
 140
 141     html += "><tr><td>"
 142         + ( useBigFont ? QString( "<h2>" ) : QString( "<b>" ) )
 143         + summary
 144         + ( useBigFont ? QString( "</h2>" ) : QString( "</b>" ) )
 145         + "</td></tr>"
 146         + "</table>";
 147
 148     if ( ! icon.isEmpty() )
 149     {
 150         html = QString( "<table width=100%><tr>" )
 151             + "<td><img src=\"" + icon + "\"></td>"
 152             + "<td width=100%>" + html + "</td>"
 153             + "</tr></table>";
 154     }
 155
 156     return html;
 157 }
 158
 159
 160
 161 QString
 162 YQPkgSelDescriptionView::findIcon( const QString & icon ) const
 163 {
 164     if ( access( qPrintable(icon), R_OK ) == 0 )
 165     {
 166         y2debug( "Found icon %s", qPrintable(icon) );
 167         return icon;
 168     }
 169     else
 170     {
 171         y2debug( "No icon %s", qPrintable(icon) );
 172         return "";
 173     }
 174 }
 175
 176
 177 #include "YQPkgSelDescriptionView.moc"