src/YQMultiLineEdit.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQMultiLineEdit.cc
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19
  20 #include <QVBoxLayout>
  21 #include <QTextEdit>
  22 #include <qlabel.h>
  23 #define y2log_component "qt-ui"
  24 #include <ycp/y2log.h>
  25
  26 using std::max;
  27
  28 #include "utf8.h"
  29 #include "YQUI.h"
  30 #include "YEvent.h"
  31 #include "YQMultiLineEdit.h"
  32 #include "YQSignalBlocker.h"
  33 #include "YQWidgetCaption.h"
  34
  35
  36 YQMultiLineEdit::YQMultiLineEdit( YWidget * parent, const string & label )
  37     : QFrame( (QWidget *) parent->widgetRep() )
  38     , YMultiLineEdit( parent, label )
  39 {
  40     QVBoxLayout* layout = new QVBoxLayout( this );
  41     setLayout( layout );
  42
  43     setWidgetRep( this );
  44     layout->setSpacing( YQWidgetSpacing );
  45     layout->setMargin ( YQWidgetMargin  );
  46
  47     _caption = new YQWidgetCaption( this, label );
  48     YUI_CHECK_NEW( _caption );
  49     layout->addWidget( _caption );
  50
  51     _qt_textEdit = new QTextEdit( this );
  52     YUI_CHECK_NEW( _qt_textEdit );
  53     layout->addWidget( _qt_textEdit );
  54
  55     //_qt_textEdit->setTextFormat( Qt::PlainText );
  56     _qt_textEdit->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) );
  57
  58     _caption->setBuddy( _qt_textEdit );
  59
  60     connect( _qt_textEdit,      SIGNAL( textChanged( void ) ),
  61              this,              SLOT  ( changed    ( void ) ) );
  62 }
  63
  64
  65 YQMultiLineEdit::~YQMultiLineEdit()
  66 {
  67     // NOP
  68 }
  69
  70
  71 string YQMultiLineEdit::value()
  72 {
  73     return toUTF8( _qt_textEdit->document()->toPlainText() );
  74 }
  75
  76
  77 void YQMultiLineEdit::setValue( const string & text )
  78 {
  79     YQSignalBlocker sigBlocker( _qt_textEdit );
  80
  81     _qt_textEdit->setText( fromUTF8( text ) );
  82 }
  83
  84
  85 void YQMultiLineEdit::setLabel( const string & label )
  86 {
  87     _caption->setText( label );
  88     YMultiLineEdit::setLabel( label );
  89 }
  90
  91
  92 void YQMultiLineEdit::setInputMaxLength( int newMaxLength )
  93 {
  94     YMultiLineEdit::setInputMaxLength( newMaxLength );
  95
  96     QString text = _qt_textEdit->document()->toPlainText();
  97
  98     if ( (int) text.length() > inputMaxLength() )
  99     {
 100         text.truncate( inputMaxLength() );
 101         _qt_textEdit->setText(text);
 102     }
 103 }
 104
 105
 106 void YQMultiLineEdit::enforceMaxInputLength()
 107 {
 108     if ( inputMaxLength() >= 0 && _qt_textEdit->toPlainText().length() > inputMaxLength() )
 109         _qt_textEdit->undo();
 110 }
 111
 112
 113 void YQMultiLineEdit::changed()
 114 {
 115     enforceMaxInputLength();
 116
 117     if ( notify() )
 118         YQUI::ui()->sendEvent( new YWidgetEvent( this, YEvent::ValueChanged ) );
 119 }
 120
 121
 122 void YQMultiLineEdit::setEnabled( bool enabled )
 123 {
 124     _caption->setEnabled( enabled );
 125     _qt_textEdit->setEnabled( enabled );
 126     YWidget::setEnabled( enabled );
 127 }
 128
 129
 130 int YQMultiLineEdit::preferredWidth()
 131 {
 132     return max( 30, sizeHint().width() );
 133 }
 134
 135
 136 int YQMultiLineEdit::preferredHeight()
 137 {
 138     int hintHeight       = defaultVisibleLines() * _qt_textEdit->fontMetrics().lineSpacing();
 139     hintHeight          += _qt_textEdit->frameWidth() * 2 + YQWidgetMargin * 2;
 140
 141     if ( !_caption->isHidden() )
 142         hintHeight += _caption->sizeHint().height() + YQWidgetSpacing;
 143
 144     return max( 10, hintHeight );
 145 }
 146
 147
 148 void YQMultiLineEdit::setSize( int newWidth, int newHeight )
 149 {
 150     resize( newWidth, newHeight );
 151 }
 152
 153
 154 bool YQMultiLineEdit::setKeyboardFocus()
 155 {
 156     _qt_textEdit->setFocus();
 157
 158     return true;
 159 }
 160
 161
 162 #include "YQMultiLineEdit.moc"
 163