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