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 QT3_SUPPORT 1
  20
  21 #define y2log_component "qt-pkg"
  22 #include <ycp/y2log.h>
  23
  24 #include <unistd.h>
  25 #include <qregexp.h>
  26
  27 #include "YQPkgSelDescriptionView.h"
  28 #include "YQUI.h"
  29 #include "YQi18n.h"
  30 #include "utf8.h"
  31
  32 using std::list;
  33 using std::string;
  34
  35
  36 YQPkgSelDescriptionView::YQPkgSelDescriptionView( QWidget * parent )
  37     : YQPkgDescriptionView( parent )
  38 {
  39 }
  40
  41
  42 YQPkgSelDescriptionView::~YQPkgSelDescriptionView()
  43 {
  44     // NOP
  45 }
  46
  47
  48 void
  49 YQPkgSelDescriptionView::showDetails( ZyppSel selectable )
  50 {
  51     _selectable = selectable;
  52
  53     if ( ! selectable )
  54     {
  55         clear();
  56         return;
  57     }
  58
  59     QString html_text = htmlHeading( selectable );
  60
  61     QString description = fromUTF8( selectable->theObj()->description() );
  62
  63     if ( ! description.contains( "<!-- DT:Rich -->" ) )
  64         description = simpleHtmlParagraphs( description );
  65
  66     html_text += description;
  67
  68     setTextFormat( Qt::RichText );
  69     setText( html_text );
  70     ensureVisible( 0, 0 );      // Otherwise hyperlinks will be centered
  71 }
  72
  73
  74
  75 QString
  76 YQPkgSelDescriptionView::htmlHeading( ZyppSel selectable )
  77 {
  78     ZyppObj             zyppObj         = selectable->theObj();
  79     ZyppSelection       selection       = tryCastToZyppSelection( zyppObj );
  80     ZyppPattern         pattern         = tryCastToZyppPattern  ( zyppObj );
  81
  82     if ( ! selection && ! pattern )
  83         return YQPkgGenericDetailsView::htmlHeading( selectable );
  84
  85     QString summary = fromUTF8( zyppObj->summary() );
  86     bool useBigFont = ( summary.length() <= 40 );
  87
  88     if ( summary.isEmpty() )                    // No summary?
  89         summary = fromUTF8( zyppObj->name() );  // Use name instead (internal only normally)
  90
  91     QString icon = pattern ? pattern->icon().asString().c_str() : "";
  92
  93     if ( icon.isEmpty() )
  94     {
  95         icon = zyppObj->name().c_str();
  96         icon.replace( ' ', '_' );
  97     }
  98
  99     if ( ! icon.isEmpty() )
 100     {
 101         if ( icon.startsWith( "./" ) )
 102             icon.replace( QRegExp( "^\\./" ), "" );
 103
 104         if ( ! icon.endsWith( ".png", false ) &&
 105              ! icon.endsWith( ".jpg", false )   )
 106             icon += ".png";
 107
 108         QString origIconName = icon;
 109
 110         if ( ! icon.contains( "/" ) )           // no path at all
 111         {
 112             // Look in icon directories:
 113             //
 114             //   /usr/share/YaST2/theme/current/icons/32x32/apps/
 115             //   /usr/share/YaST2/theme/current/icons/48x48/apps/
 116
 117             QString iconBaseName = icon;
 118             icon = findIcon( QString( THEMEDIR ) + "/icons/32x32/apps/" + iconBaseName );
 119
 120             if ( icon.isEmpty() )
 121                 icon = findIcon( QString( THEMEDIR ) + "/icons/48x48/apps/" + iconBaseName );
 122         }
 123         else if ( ! icon.startsWith( "/" ) )    // relative path
 124         {
 125             // Use path relative to theme directory:
 126             //
 127             //   /usr/share/YaST2/theme/current/ + icon
 128
 129             icon = findIcon( QString( THEMEDIR ) + "/" + icon );
 130         }
 131
 132         if ( pattern && icon.isEmpty() )
 133             y2warning( "No icon for pattern %s - icon name: %s",
 134                        zyppObj->name().c_str(), (const char *) origIconName );
 135     }
 136
 137
 138     QString html = "<table width=100%";
 139
 140     if ( ! YQUI::ui()->usingVisionImpairedPalette() )
 141         html += " bgcolor=#C8C8F8";     // or #E0E0F8 (very light blueish grey)
 142
 143     html += "><tr><td>"
 144         + ( useBigFont ? QString( "<h2>" ) : QString( "<b>" ) )
 145         + summary
 146         + ( useBigFont ? QString( "</h2>" ) : QString( "</b>" ) )
 147         + "</td></tr>"
 148         + "</table>";
 149
 150     if ( ! icon.isEmpty() )
 151     {
 152         html = QString( "<table width=100%><tr>" )
 153             + "<td><img src=\"" + icon + "\"></td>"
 154             + "<td width=100%>" + html + "</td>"
 155             + "</tr></table>";
 156     }
 157
 158     return html;
 159 }
 160
 161
 162
 163 QString
 164 YQPkgSelDescriptionView::findIcon( const QString & icon ) const
 165 {
 166     if ( access( icon, R_OK ) == 0 )
 167     {
 168         y2debug( "Found icon %s", (const char *) icon );
 169         return icon;
 170     }
 171     else
 172     {
 173         y2debug( "No icon %s", (const char *) icon );
 174         return "";
 175     }
 176 }
 177
 178
 179 #include "YQPkgSelDescriptionView.moc"