src/YQLogView.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQLogView.cc
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19
  20 #include <qlabel.h>
  21 #include <qstyle.h>
  22 #include <QVBoxLayout>
  23 #include <QScrollBar>
  24 #define y2log_component "qt-ui"
  25 #include <ycp/y2log.h>
  26
  27 using std::max;
  28
  29 #include "utf8.h"
  30 #include "YQUI.h"
  31 #include "YQLogView.h"
  32 #include "YQWidgetCaption.h"
  33
  34
  35 YQLogView::YQLogView( YWidget *         parent,
  36                       const string &    label,
  37                       int               visibleLines,
  38                       int               maxLines )
  39     : QFrame( (QWidget *) parent->widgetRep() )
  40     , YLogView( parent, label, visibleLines, maxLines )
  41 {
  42     setWidgetRep( this );
  43     QVBoxLayout* layout = new QVBoxLayout( this );
  44     setLayout( layout );
  45
  46     layout->setSpacing( YQWidgetSpacing );
  47     layout->setMargin( YQWidgetMargin );
  48
  49     _caption = new YQWidgetCaption( this, label );
  50     YUI_CHECK_NEW( _caption );
  51     layout->addWidget( _caption );
  52
  53     _qt_text = new QTextEdit( this );
  54     YUI_CHECK_NEW( _qt_text );
  55     layout->addWidget( _qt_text );
  56
  57     _qt_text->setReadOnly( true );
  58     _qt_text->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) );
  59
  60     _caption->setBuddy( _qt_text );
  61 }
  62
  63
  64 YQLogView::~YQLogView()
  65 {
  66     // NOP
  67 }
  68
  69
  70 void
  71 YQLogView::displayLogText( const string & text )
  72 {
  73     _qt_text->setText( fromUTF8( text ) );
  74     QScrollBar *sb = _qt_text->verticalScrollBar();
  75     sb->setValue( sb->maximum() );
  76 }
  77
  78
  79 void
  80 YQLogView::setLabel( const string & label )
  81 {
  82     _caption->setText( label );
  83     YLogView::setLabel( label );
  84 }
  85
  86
  87
  88 void
  89 YQLogView::setEnabled( bool enabled )
  90 {
  91     _caption->setEnabled( enabled );
  92     _qt_text->setEnabled( enabled );
  93     YWidget::setEnabled( enabled );
  94 }
  95
  96
  97 int
  98 YQLogView::preferredWidth()
  99 {
 100     return max( 50, sizeHint().width() );
 101 }
 102
 103
 104 int
 105 YQLogView::preferredHeight()
 106 {
 107     int hintHeight       = visibleLines() * _qt_text->fontMetrics().lineSpacing();
 108     hintHeight          += _qt_text->style()->pixelMetric( QStyle::PM_ScrollBarExtent );
 109     hintHeight          += _qt_text->frameWidth() * 2;
 110
 111     if ( !_caption->isHidden() )
 112         hintHeight      +=  _caption->sizeHint().height();
 113
 114     return max( 80, hintHeight );
 115 }
 116
 117
 118 void
 119 YQLogView::setSize( int newWidth, int newHeight )
 120 {
 121     resize( newWidth, newHeight );
 122 }
 123
 124
 125 bool
 126 YQLogView::setKeyboardFocus()
 127 {
 128     _qt_text->setFocus();
 129
 130     return true;
 131 }
 132
 133
 134
 135 #include "YQLogView.moc"
 136