okular/ui/annotwindow.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Chu Xiaodong <xiaodongchu@gmail.com>            *
   3  *   Copyright (C) 2006 by Pino Toscano <pino@kde.org>                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  ***************************************************************************/
  10
  11 #include "annotwindow.h"
  12
  13 // qt/kde includes
  14 #include <qapplication.h>
  15 #include <qevent.h>
  16 #include <qfont.h>
  17 #include <qfontinfo.h>
  18 #include <qfontmetrics.h>
  19 #include <qframe.h>
  20 #include <qlabel.h>
  21 #include <qlayout.h>
  22 #include <QPainter>
  23 #include <qpushbutton.h>
  24 #include <qsizegrip.h>
  25 #include <qstyle.h>
  26 #include <qtoolbutton.h>
  27 #include <kglobal.h>
  28 #include <klocale.h>
  29 #include <ktextedit.h>
  30 #include <kdebug.h>
  31
  32 // local includes
  33 #include "core/annotations.h"
  34 #include "guiutils.h"
  35
  36 class CloseButton
  37   : public QPushButton
  38 {
  39 public:
  40     CloseButton( QWidget * parent = 0 )
  41       : QPushButton( parent )
  42     {
  43         setSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
  44         QSize size = QSize( 14, 14 ).expandedTo( QApplication::globalStrut() );
  45         setFixedSize( size );
  46         setIcon( style()->standardIcon( QStyle::SP_DockWidgetCloseButton ) );
  47         setIconSize( size );
  48         setToolTip( i18n( "Close this note" ) );
  49     }
  50 };
  51
  52
  53 class MovableTitle
  54   : public QWidget
  55 {
  56 public:
  57     MovableTitle( QWidget * parent )
  58       : QWidget( parent )
  59     {
  60         QVBoxLayout * mainlay = new QVBoxLayout( this );
  61         mainlay->setMargin( 0 );
  62         mainlay->setSpacing( 0 );
  63         // close button row
  64         QHBoxLayout * buttonlay = new QHBoxLayout();
  65         mainlay->addLayout( buttonlay );
  66         titleLabel = new QLabel( this );
  67         QFont f = titleLabel->font();
  68         f.setBold( true );
  69         titleLabel->setFont( f );
  70         titleLabel->setCursor( Qt::SizeAllCursor );
  71         buttonlay->addWidget( titleLabel );
  72         dateLabel = new QLabel( this );
  73         dateLabel->setAlignment( Qt::AlignTop | Qt::AlignRight );
  74         f = dateLabel->font();
  75         f.setPointSize( QFontInfo( f ).pointSize() - 2 );
  76         dateLabel->setFont( f );
  77         dateLabel->setCursor( Qt::SizeAllCursor );
  78         buttonlay->addWidget( dateLabel );
  79         CloseButton * close = new CloseButton( this );
  80         connect( close, SIGNAL( clicked() ), parent, SLOT( hide() ) );
  81         buttonlay->addWidget( close );
  82         // option button row
  83         QHBoxLayout * optionlay = new QHBoxLayout();
  84         mainlay->addLayout( optionlay );
  85         authorLabel = new QLabel( this );
  86         authorLabel->setCursor( Qt::SizeAllCursor );
  87         authorLabel->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
  88         optionlay->addWidget( authorLabel );
  89         optionButton = new QToolButton( this );
  90         QString opttext = i18n( "Options" );
  91         optionButton->setText( opttext );
  92         optionButton->setAutoRaise( true );
  93         QSize s = QFontMetrics( optionButton->font() ).boundingRect( opttext ).size() + QSize( 8, 8 );
  94         optionButton->setSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
  95         optionButton->setFixedSize( s );
  96         optionlay->addWidget( optionButton );
  97         // ### disabled for now
  98         optionButton->hide();
  99
 100         titleLabel->installEventFilter( this );
 101         dateLabel->installEventFilter( this );
 102         authorLabel->installEventFilter( this );
 103     }
 104
 105     virtual bool eventFilter( QObject * obj, QEvent * e )
 106     {
 107         if ( obj != titleLabel && obj != authorLabel && obj != dateLabel )
 108             return false;
 109
 110         QMouseEvent * me = 0;
 111         switch ( e->type() )
 112         {
 113             case QEvent::MouseButtonPress:
 114                 me = (QMouseEvent*)e;
 115                 mousePressPos = me->pos();
 116                 break;
 117             case QEvent::MouseButtonRelease:
 118                 mousePressPos = QPoint();
 119                 break;
 120             case QEvent::MouseMove:
 121                 me = (QMouseEvent*)e;
 122                 parentWidget()->move( me->pos() - mousePressPos + parentWidget()->pos() );
 123                 break;
 124             default:
 125                 return false;
 126         }
 127         return true;
 128     }
 129
 130     void setTitle( const QString& title )
 131     {
 132         titleLabel->setText( QString( " " ) + title );
 133     }
 134
 135     void setDate( const QDateTime& dt )
 136     {
 137         dateLabel->setText( KGlobal::locale()->formatDateTime( dt, KLocale::ShortDate, true ) + ' ' );
 138     }
 139
 140     void setAuthor( const QString& author )
 141     {
 142         authorLabel->setText( QString( " " ) + author );
 143     }
 144
 145     void connectOptionButton( QObject * recv, const char* method )
 146     {
 147         connect( optionButton, SIGNAL( clicked() ), recv, method );
 148     }
 149
 150 private:
 151     QLabel * titleLabel;
 152     QLabel * dateLabel;
 153     QLabel * authorLabel;
 154     QPoint mousePressPos;
 155     QToolButton * optionButton;
 156 };
 157
 158
 159 // Qt::SubWindow is needed to make QSizeGrip work
 160 AnnotWindow::AnnotWindow( QWidget * parent, Okular::Annotation * annot)
 161     : QFrame( parent, Qt::SubWindow ), m_annot( annot )
 162 {
 163     setAutoFillBackground( true );
 164     setFrameStyle( Panel | Raised );
 165
 166     textEdit = new KTextEdit( this );
 167     textEdit->setAcceptRichText( false );
 168     textEdit->setPlainText( GuiUtils::contents( m_annot ) );
 169     connect(textEdit,SIGNAL(textChanged()),
 170             this,SLOT(slotsaveWindowText()));
 171
 172     QVBoxLayout * mainlay = new QVBoxLayout( this );
 173     mainlay->setMargin( 2 );
 174     mainlay->setSpacing( 0 );
 175     m_title = new MovableTitle( this );
 176     mainlay->addWidget( m_title );
 177     mainlay->addWidget( textEdit );
 178     QHBoxLayout * lowerlay = new QHBoxLayout();
 179     mainlay->addLayout( lowerlay );
 180     lowerlay->addItem( new QSpacerItem( 5, 5, QSizePolicy::Expanding, QSizePolicy::Fixed ) );
 181     QSizeGrip * sb = new QSizeGrip( this );
 182     lowerlay->addWidget( sb );
 183
 184     m_title->setTitle( m_annot->window().summary() );
 185     m_title->connectOptionButton( this, SLOT( slotOptionBtn() ) );
 186
 187     setGeometry(10,10,300,300 );
 188
 189     reloadInfo();
 190 }
 191
 192 void AnnotWindow::reloadInfo()
 193 {
 194     const QColor newcolor = m_annot->style().color().isValid() ? m_annot->style().color() : Qt::yellow;
 195     if ( newcolor != m_color )
 196     {
 197         m_color = newcolor;
 198         setPalette( QPalette( m_color ) );
 199         QPalette pl = textEdit->palette();
 200         pl.setColor( QPalette::Base, m_color );
 201         textEdit->setPalette( pl );
 202     }
 203     m_title->setAuthor( m_annot->author() );
 204     m_title->setDate( m_annot->modificationDate() );
 205 }
 206
 207 void AnnotWindow::slotOptionBtn()
 208 {
 209     //TODO: call context menu in pageview
 210     //emit sig...
 211 }
 212
 213  void AnnotWindow::slotsaveWindowText()
 214 {
 215     const QString newText = textEdit->toPlainText();
 216
 217     // 1. window text
 218     if ( !m_annot->window().text().isEmpty() )
 219     {
 220         m_annot->window().setText( newText );
 221         return;
 222     }
 223     // 2. if Text and InPlace, the inplace text
 224     if ( m_annot->subType() == Okular::Annotation::AText )
 225     {
 226         Okular::TextAnnotation * txtann = static_cast< Okular::TextAnnotation * >( m_annot );
 227         if ( txtann->textType() == Okular::TextAnnotation::InPlace )
 228         {
 229             txtann->setInplaceText( newText );
 230             return;
 231         }
 232     }
 233
 234     // 3. contents
 235     m_annot->setContents( newText );
 236 }
 237
 238 #include "annotwindow.moc"