okular/ui/guiutils.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2007 by Pino Toscano <pino@kde.org>                *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  ***************************************************************************/
   9
  10 #include "guiutils.h"
  11
  12 // qt/kde includes
  13 #include <qpainter.h>
  14 #include <qsvgrenderer.h>
  15 #include <qtextdocument.h>
  16 #include <kfiledialog.h>
  17 #include <kglobal.h>
  18 #include <kiconloader.h>
  19 #include <klocale.h>
  20 #include <kmessagebox.h>
  21 #include <kstandarddirs.h>
  22
  23 // local includes
  24 #include "core/annotations.h"
  25 #include "core/document.h"
  26
  27 struct GuiUtilsHelper
  28 {
  29     GuiUtilsHelper()
  30         : il( 0 )
  31     {
  32     }
  33
  34     KIconLoader * il;
  35 };
  36
  37 K_GLOBAL_STATIC( GuiUtilsHelper, s_data )
  38
  39 namespace GuiUtils {
  40
  41 QString captionForAnnotation( const Okular::Annotation * ann )
  42 {
  43     Q_ASSERT( ann );
  44
  45     QString ret;
  46     switch( ann->subType() )
  47     {
  48         case Okular::Annotation::AText:
  49             if( ( (Okular::TextAnnotation*)ann )->textType() == Okular::TextAnnotation::Linked )
  50                 ret = i18n( "Note" );
  51             else
  52                 ret = i18n( "Inline Note" );
  53             break;
  54         case Okular::Annotation::ALine:
  55             ret = i18n( "Line" );
  56             break;
  57         case Okular::Annotation::AGeom:
  58             ret = i18n( "Geometry" );
  59             break;
  60         case Okular::Annotation::AHighlight:
  61             ret = i18n( "Highlight" );
  62             break;
  63         case Okular::Annotation::AStamp:
  64             ret = i18n( "Stamp" );
  65             break;
  66         case Okular::Annotation::AInk:
  67             ret = i18n( "Ink" );
  68             break;
  69         case Okular::Annotation::ACaret:
  70             ret = i18n( "Caret" );
  71             break;
  72         case Okular::Annotation::AFileAttachment:
  73             ret = i18n( "File Attachment" );
  74             break;
  75         case Okular::Annotation::ASound:
  76             ret = i18n( "Sound" );
  77             break;
  78         case Okular::Annotation::AMovie:
  79             ret = i18n( "Movie" );
  80             break;
  81         case Okular::Annotation::A_BASE:
  82             break;
  83     }
  84     return ret;
  85 }
  86
  87 QString authorForAnnotation( const Okular::Annotation * ann )
  88 {
  89     Q_ASSERT( ann );
  90
  91     return !ann->author().isEmpty() ? ann->author() : i18nc( "Unknown author", "Unknown" );
  92 }
  93
  94 QString contents( const Okular::Annotation * ann )
  95 {
  96     Q_ASSERT( ann );
  97
  98     // 1. window text
  99     QString ret = ann->window().text();
 100     if ( !ret.isEmpty() )
 101         return ret;
 102     // 2. if Text and InPlace, the inplace text
 103     if ( ann->subType() == Okular::Annotation::AText )
 104     {
 105         const Okular::TextAnnotation * txtann = static_cast< const Okular::TextAnnotation * >( ann );
 106         if ( txtann->textType() == Okular::TextAnnotation::InPlace )
 107         {
 108             ret = txtann->inplaceText();
 109             if ( !ret.isEmpty() )
 110                 return ret;
 111         }
 112     }
 113
 114     // 3. contents
 115     ret = ann->contents();
 116
 117     return ret;
 118 }
 119
 120 QString contentsHtml( const Okular::Annotation * ann )
 121 {
 122     QString text = Qt::escape( contents( ann ) );
 123     text.replace( "\n", "<br>" );
 124     return text;
 125 }
 126
 127 QString prettyToolTip( const Okular::Annotation * ann )
 128 {
 129     Q_ASSERT( ann );
 130
 131     QString author = authorForAnnotation( ann );
 132     QString contents = contentsHtml( ann );
 133
 134     QString tooltip = QString( "<qt><b>" ) + i18n( "Author: %1", author ) + QString( "</b>" );
 135     if ( !contents.isEmpty() )
 136         tooltip += QString( "<div style=\"font-size: 4px;\"><hr /></div>" ) + contents;
 137
 138     tooltip += "</qt>";
 139
 140     return tooltip;
 141 }
 142
 143 QPixmap loadStamp( const QString& _name, const QSize& size, int iconSize )
 144 {
 145     const QString name = _name.toLower();
 146     if ( name.startsWith( QLatin1String( "stamp-" ) ) )
 147     {
 148         QSvgRenderer r( KStandardDirs::locate( "data", QString::fromLatin1( "okular/pics/" ) + name + ".svg" ) );
 149         if ( r.isValid() )
 150         {
 151             QPixmap pixmap( size.isValid() ? size : r.defaultSize() );
 152             pixmap.fill( Qt::transparent );
 153             QPainter p( &pixmap );
 154             r.render( &p );
 155             p.end();
 156             return pixmap;
 157         }
 158     }
 159     QPixmap pixmap;
 160     const KIconLoader * il = iconLoader();
 161     QString path;
 162     const int minSize = iconSize > 0 ? iconSize : qMin( size.width(), size.height() );
 163     pixmap = il->loadIcon( name, KIconLoader::User, minSize, KIconLoader::DefaultState, QStringList(), &path, true );
 164     if ( path.isEmpty() )
 165         pixmap = il->loadIcon( name, KIconLoader::NoGroup, minSize );
 166     return pixmap;
 167 }
 168
 169 void setIconLoader( KIconLoader * loader )
 170 {
 171     s_data->il = loader;
 172 }
 173
 174 KIconLoader* iconLoader()
 175 {
 176     return s_data->il ? s_data->il : KIconLoader::global();
 177 }
 178
 179 void saveEmbeddedFile( Okular::EmbeddedFile *ef, QWidget *parent )
 180 {
 181     const QString caption = i18n( "Where do you want to save %1?", ef->name() );
 182     const QString path = KFileDialog::getSaveFileName( ef->name(), QString(), parent, caption );
 183     if ( path.isEmpty() )
 184         return;
 185
 186     QFile f( path );
 187     if ( !f.exists() || KMessageBox::warningContinueCancel( parent, i18n( "A file named \"%1\" already exists. Are you sure you want to overwrite it?", path ), QString(), KGuiItem( i18nc( "@action:button", "&Overwrite" ) ) ) == KMessageBox::Continue )
 188     {
 189         if ( f.open( QIODevice::WriteOnly ) )
 190         {
 191             f.write( ef->data() );
 192             f.close();
 193         }
 194         else
 195         {
 196             KMessageBox::error( parent, i18n( "Could not open \"%1\" for writing. File was not saved.", path ) );
 197         }
 198     }
 199 }
 200
 201 }