mirror of
https://invent.kde.org/graphics/okular
synced 2024-11-05 18:34:53 +00:00
913 lines
34 KiB
C++
913 lines
34 KiB
C++
/***************************************************************************
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* Copyright (C) 2005 by Enrico Ros <eros.kde@email.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "pageviewannotator.h"
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// qt / kde includes
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#include <qfile.h>
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#include <qcolor.h>
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#include <qevent.h>
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#include <qlist.h>
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#include <qpainter.h>
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#include <qset.h>
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#include <qvariant.h>
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#include <kiconloader.h>
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#include <klocale.h>
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#include <kstandarddirs.h>
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#include <kinputdialog.h>
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#include <kuser.h>
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#include <kdebug.h>
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#include <kmenu.h>
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// system includes
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#include <math.h>
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// local includes
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#include "core/area.h"
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#include "core/document.h"
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#include "core/page.h"
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#include "core/annotations.h"
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#include "settings.h"
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#include "annotationtools.h"
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#include "pageview.h"
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/** @short PickPointEngine */
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class PickPointEngine : public AnnotatorEngine
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{
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public:
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PickPointEngine( const QDomElement & engineElement )
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: AnnotatorEngine( engineElement ), clicked( false ), pixmap( 0 ),
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xscale( 1.0 ), yscale( 1.0 )
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{
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// parse engine specific attributes
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pixmapName = engineElement.attribute( "hoverIcon" );
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QString stampname = m_annotElement.attribute( "icon" );
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if ( m_annotElement.attribute( "type" ) == "Stamp" && !stampname.simplified().isEmpty() )
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pixmapName = stampname;
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center = QVariant( engineElement.attribute( "center" ) ).toBool();
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bool ok = true;
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size = engineElement.attribute( "size", "32" ).toInt( &ok );
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if ( !ok )
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size = 32;
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m_block = QVariant( engineElement.attribute( "block" ) ).toBool();
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// create engine objects
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if ( !pixmapName.simplified().isEmpty() )
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pixmap = new QPixmap( DesktopIcon( pixmapName, size ) );
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}
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~PickPointEngine()
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{
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delete pixmap;
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}
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QRect event( EventType type, Button button, double nX, double nY, double xScale, double yScale, const Okular::Page * page )
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{
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xscale=xScale;
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yscale=yScale;
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pagewidth = page->width();
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pageheight = page->height();
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// only proceed if pressing left button
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if ( button != Left )
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return QRect();
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// start operation on click
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if ( type == Press && clicked == false )
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{
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clicked = true;
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startpoint.x=nX;
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startpoint.y=nY;
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}
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// repaint if moving while pressing
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else if ( type == Move && clicked == true )
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{
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}
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// operation finished on release
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else if ( type == Release && clicked == true )
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{
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m_creationCompleted = true;
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}
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else
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return QRect();
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// update variables and extents (zoom invariant rect)
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point.x = nX;
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point.y = nY;
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if ( center && pixmap )
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{
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rect.left = nX - ( pixmap->width() / ( xScale * 2.0 ) );
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rect.top = nY - ( pixmap->height() / ( yScale * 2.0 ) );
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}
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else
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{
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rect.left = nX;
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rect.top = nY;
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}
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rect.right = rect.left + ( pixmap ? pixmap->width() / xScale : 0 );
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rect.bottom = rect.top + ( pixmap ? pixmap->height() / yScale : 0 );
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QRect boundrect = rect.geometry( (int)xScale, (int)yScale ).adjusted( 0, 0, 1, 1 );
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if ( m_block )
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{
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Okular::NormalizedRect tmprect( qMin( startpoint.x, point.x ), qMin( startpoint.y, point.y ), qMax( startpoint.x, point.x ), qMax( startpoint.y, point.y ) );
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boundrect |= tmprect.geometry( (int)xScale, (int)yScale ).adjusted( 0, 0, 1, 1 );
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}
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return boundrect;
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}
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void paint( QPainter * painter, double xScale, double yScale, const QRect & /*clipRect*/ )
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{
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if ( clicked )
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{
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if ( m_block )
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{
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QPen origpen = painter->pen();
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QPen pen = painter->pen();
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pen.setStyle( Qt::DashLine );
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painter->setPen( pen );
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Okular::NormalizedRect tmprect( qMin( startpoint.x, point.x ), qMin( startpoint.y, point.y ), qMax( startpoint.x, point.x ), qMax( startpoint.y, point.y ) );
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QRect realrect = tmprect.geometry( (int)xScale, (int)yScale );
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painter->drawRect( realrect );
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painter->setPen( origpen );
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}
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if ( pixmap )
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painter->drawPixmap( QPointF( rect.left * xScale, rect.top * yScale ), *pixmap );
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}
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}
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QList< Okular::Annotation* > end()
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{
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m_creationCompleted = false;
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// find out annotation's description node
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if ( m_annotElement.isNull() )
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return QList< Okular::Annotation* >();
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// find out annotation's type
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Okular::Annotation * ann = 0;
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QString typeString = m_annotElement.attribute( "type" );
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// create TextAnnotation from path
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if ( typeString == "FreeText") //<annotation type="Text"
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{
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//note dialog
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QString prompt = i18n( "Text of the new note:" );
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bool resok;
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QString note = KInputDialog::getMultiLineText( i18n( "New Text Note" ), prompt, QString(), &resok );
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if(resok)
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{
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//add note
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Okular::TextAnnotation * ta = new Okular::TextAnnotation();
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ann = ta;
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ta->setInplaceText( note );
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ta->setTextType( Okular::TextAnnotation::InPlace );
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//set boundary
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rect.left = qMin(startpoint.x,point.x);
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rect.top = qMin(startpoint.y,point.y);
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rect.right = qMax(startpoint.x,point.x);
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rect.bottom = qMax(startpoint.y,point.y);
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kDebug().nospace() << "xyScale=" << xscale << "," << yscale;
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static int padding = 2;
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QFontMetricsF mf(ta->textFont());
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QRectF rcf = mf.boundingRect( Okular::NormalizedRect( rect.left, rect.top, 1.0, 1.0 ).geometry( (int)pagewidth, (int)pageheight ).adjusted( padding, padding, -padding, -padding ),
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Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap, ta->inplaceText() );
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rect.right = qMax(rect.right, rect.left+(rcf.width()+padding*2)/pagewidth);
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rect.bottom = qMax(rect.bottom, rect.top+(rcf.height()+padding*2)/pageheight);
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ta->setBoundingRectangle( this->rect );
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ta->window().setSummary( "TextBox" );
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}
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}
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else if ( typeString == "Text")
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{
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Okular::TextAnnotation * ta = new Okular::TextAnnotation();
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ann = ta;
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ta->setTextType( Okular::TextAnnotation::Linked );
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ta->window().setText( QString() );
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//ta->window.flags &= ~(Okular::Annotation::Hidden);
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double iconhei=0.03;
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rect.left = point.x;
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rect.top = point.y;
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rect.right=rect.left+iconhei;
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rect.bottom=rect.top+iconhei*xscale/yscale;
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ta->setBoundingRectangle( this->rect );
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ta->window().setSummary( "Note" );
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}
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// create StampAnnotation from path
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else if ( typeString == "Stamp" )
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{
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Okular::StampAnnotation * sa = new Okular::StampAnnotation();
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ann = sa;
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sa->setStampIconName( pixmapName );
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double stampxscale = size / xscale;
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double stampyscale = size / yscale;
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if ( center )
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{
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rect.left = point.x - stampxscale / 2;
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rect.top = point.y - stampyscale / 2;
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}
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else
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{
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rect.left = point.x;
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rect.top = point.y;
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}
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rect.right = rect.left + stampxscale;
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rect.bottom = rect.top + stampyscale;
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sa->setBoundingRectangle( rect );
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}
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// create GeomAnnotation
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else if ( typeString == "GeomSquare" || typeString == "GeomCircle" )
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{
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Okular::GeomAnnotation * ga = new Okular::GeomAnnotation();
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ann = ga;
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// set the type
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if ( typeString == "GeomSquare" )
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ga->setGeometricalType( Okular::GeomAnnotation::InscribedSquare );
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else
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ga->setGeometricalType( Okular::GeomAnnotation::InscribedCircle );
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ga->setGeometricalPointWidth( 18 );
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//set boundary
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rect.left = qMin( startpoint.x, point.x );
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rect.top = qMin( startpoint.y, point.y );
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rect.right = qMax( startpoint.x, point.x );
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rect.bottom = qMax( startpoint.y, point.y );
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ga->setBoundingRectangle( rect );
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}
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// safety check
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if ( !ann )
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return QList< Okular::Annotation* >();
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// set common attributes
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ann->style().setColor( m_annotElement.hasAttribute( "color" ) ?
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m_annotElement.attribute( "color" ) : m_engineColor );
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if ( m_annotElement.hasAttribute( "opacity" ) )
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ann->style().setOpacity( m_annotElement.attribute( "opacity", "1.0" ).toDouble() );
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// return annotation
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return QList< Okular::Annotation* >() << ann;
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}
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private:
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bool clicked;
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Okular::NormalizedRect rect;
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Okular::NormalizedPoint startpoint;
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Okular::NormalizedPoint point;
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QPixmap * pixmap;
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QString pixmapName;
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int size;
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double xscale,yscale;
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double pagewidth, pageheight;
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bool center;
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bool m_block;
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};
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/** @short PolyLineEngine */
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class PolyLineEngine : public AnnotatorEngine
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{
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public:
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PolyLineEngine( const QDomElement & engineElement )
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: AnnotatorEngine( engineElement ), last( false )
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{
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// parse engine specific attributes
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m_block = engineElement.attribute( "block" ) == "true";
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bool ok = true;
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// numofpoints represents the max number of points for the current
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// polygon/polyline, with a pair of exceptions:
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// -1 means: the polyline must close on the first point (polygon)
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// 0 means: construct as many points as you want, right-click
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// to construct the last point
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numofpoints = engineElement.attribute( "points" ).toInt( &ok );
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if ( !ok )
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numofpoints = -1;
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}
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QRect event( EventType type, Button button, double nX, double nY, double xScale, double yScale, const Okular::Page * /*page*/ )
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{
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// only proceed if pressing left button
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// if ( button != Left )
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// return rect;
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// start operation
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if ( type == Press )
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{
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newPoint.x = nX;
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newPoint.y = nY;
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if ( button == Right )
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last = true;
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}
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// move the second point
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else if ( type == Move )
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{
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movingpoint.x = nX;
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movingpoint.y = nY;
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QRect oldmovingrect = movingrect;
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movingrect = rect | QRect( (int)( movingpoint.x * xScale ), (int)( movingpoint.y * yScale ), 1, 1 );
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return oldmovingrect | movingrect;
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}
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else if ( type == Release )
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{
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Okular::NormalizedPoint tmppoint;
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tmppoint.x = nX;
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tmppoint.y = nY;
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if ( fabs( tmppoint.x - newPoint.x + tmppoint.y - newPoint.y ) > 1e-2 )
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return rect;
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if ( numofpoints == -1 && points.count() > 1 && ( fabs( points[0].x - newPoint.x + points[0].y - newPoint.y ) < 1e-2 ) )
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{
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last = true;
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}
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else
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{
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points.append( newPoint );
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rect |= QRect( (int)( newPoint.x * xScale ), (int)( newPoint.y * yScale ), 1, 1 );
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}
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// end creation if we have constructed the last point of enough points
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if ( last || points.count() == numofpoints )
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{
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m_creationCompleted = true;
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last = false;
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normRect = Okular::NormalizedRect( rect, xScale, yScale );
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}
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}
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return rect;
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}
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void paint( QPainter * painter, double xScale, double yScale, const QRect & /*clipRect*/ )
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{
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if ( points.count() < 1 )
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return;
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if ( m_block && points.count() == 2 )
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{
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Okular::NormalizedPoint first = points[0];
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Okular::NormalizedPoint second = points[1];
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// draw a semitransparent block around the 2 points
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painter->setPen( m_engineColor );
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painter->setBrush( QBrush( m_engineColor.light(), Qt::Dense4Pattern ) );
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painter->drawRect( (int)(first.x * (double)xScale), (int)(first.y * (double)yScale),
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(int)((second.x - first.x) * (double)xScale), (int)((second.y - first.y) * (double)yScale) );
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}
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else
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{
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// draw a polyline that connects the constructed points
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painter->setPen( QPen( m_engineColor, 2 ) );
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for ( int i = 1; i < points.count(); ++i )
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painter->drawLine( (int)(points[i - 1].x * (double)xScale), (int)(points[i - 1].y * (double)yScale),
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(int)(points[i].x * (double)xScale), (int)(points[i].y * (double)yScale) );
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painter->drawLine( (int)(points.last().x * (double)xScale), (int)(points.last().y * (double)yScale),
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(int)(movingpoint.x * (double)xScale), (int)(movingpoint.y * (double)yScale) );
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}
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}
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QList< Okular::Annotation* > end()
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{
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m_creationCompleted = false;
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// find out annotation's description node
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if ( m_annotElement.isNull() )
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return QList< Okular::Annotation* >();
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// find out annotation's type
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Okular::Annotation * ann = 0;
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QString typeString = m_annotElement.attribute( "type" );
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// create LineAnnotation from path
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if ( typeString == "Line" || typeString == "Polyline" || typeString == "Polygon" )
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{
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if ( points.count() < 2 )
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return QList< Okular::Annotation* >();
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//add note
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Okular::LineAnnotation * la = new Okular::LineAnnotation();
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ann = la;
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QLinkedList<Okular::NormalizedPoint> list;
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for ( int i = 0; i < points.count(); ++i )
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list.append( points[ i ] );
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la->setLinePoints( list );
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if ( numofpoints == -1 )
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la->setLineClosed( true );
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la->setBoundingRectangle( normRect );
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}
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// safety check
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if ( !ann )
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return QList< Okular::Annotation* >();
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// set common attributes
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ann->style().setColor( m_annotElement.hasAttribute( "color" ) ?
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m_annotElement.attribute( "color" ) : m_engineColor );
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if ( m_annotElement.hasAttribute( "opacity" ) )
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ann->style().setOpacity( m_annotElement.attribute( "opacity", "1.0" ).toDouble() );
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// return annotation
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return QList< Okular::Annotation* >() << ann;
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}
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private:
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QList<Okular::NormalizedPoint> points;
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Okular::NormalizedPoint newPoint;
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Okular::NormalizedPoint movingpoint;
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QRect rect;
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QRect movingrect;
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Okular::NormalizedRect normRect;
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bool m_block;
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bool last;
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int numofpoints;
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};
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/** @short TextSelectorEngine */
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class TextSelectorEngine : public AnnotatorEngine
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{
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public:
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TextSelectorEngine( const QDomElement & engineElement, PageView * pageView )
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: AnnotatorEngine( engineElement ), m_pageView( pageView ),
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selection( 0 )
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{
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// parse engine specific attributes
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}
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~TextSelectorEngine()
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{
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delete selection;
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}
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QRect event( EventType type, Button button, double nX, double nY, double xScale, double yScale, const Okular::Page * /*page*/ )
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{
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// only proceed if pressing left button
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if ( button != Left )
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return QRect();
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if ( type == Press )
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{
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lastPoint.x = nX;
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lastPoint.y = nY;
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QRect oldrect = rect;
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rect = QRect();
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return oldrect;
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}
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else if ( type == Move )
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{
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if ( item() )
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{
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QPoint start( (int)( lastPoint.x * item()->width() ), (int)( lastPoint.y * item()->height() ) );
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QPoint end( (int)( nX * item()->width() ), (int)( nY * item()->height() ) );
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Okular::RegularAreaRect * newselection = m_pageView->textSelectionForItem( item(), start, end );
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QList<QRect> geom = newselection->geometry( (int)xScale, (int)yScale );
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QRect newrect;
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foreach( const QRect& r, geom )
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{
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if ( newrect.isNull() )
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newrect = r;
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else
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newrect |= r;
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}
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rect |= newrect;
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delete selection;
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selection = newselection;
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}
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}
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else if ( type == Release && selection )
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{
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m_creationCompleted = true;
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}
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return rect;
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}
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void paint( QPainter * painter, double xScale, double yScale, const QRect & /*clipRect*/ )
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{
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if ( selection )
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{
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painter->setPen( Qt::NoPen );
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QColor col = m_engineColor;
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col.setAlphaF( 0.5 );
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painter->setBrush( col );
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foreach( const Okular::NormalizedRect & r, *selection )
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{
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painter->drawRect( r.geometry( (int)xScale, (int)yScale ) );
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}
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}
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}
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|
|
QList< Okular::Annotation* > end()
|
|
{
|
|
m_creationCompleted = false;
|
|
|
|
// safety checks
|
|
if ( m_annotElement.isNull() || !selection )
|
|
return QList< Okular::Annotation* >();
|
|
|
|
// find out annotation's type
|
|
Okular::Annotation * ann = 0;
|
|
QString typeString = m_annotElement.attribute( "type" );
|
|
|
|
Okular::HighlightAnnotation::HighlightType type = Okular::HighlightAnnotation::Highlight;
|
|
bool typevalid = false;
|
|
// create HighlightAnnotation's from the selected area
|
|
if ( typeString == "Highlight" )
|
|
{
|
|
type = Okular::HighlightAnnotation::Highlight;
|
|
typevalid = true;
|
|
}
|
|
else if ( typeString == "Squiggly" )
|
|
{
|
|
type = Okular::HighlightAnnotation::Squiggly;
|
|
typevalid = true;
|
|
}
|
|
else if ( typeString == "Underline" )
|
|
{
|
|
type = Okular::HighlightAnnotation::Underline;
|
|
typevalid = true;
|
|
}
|
|
else if ( typeString == "StrikeOut" )
|
|
{
|
|
type = Okular::HighlightAnnotation::StrikeOut;
|
|
typevalid = true;
|
|
}
|
|
if ( typevalid )
|
|
{
|
|
Okular::HighlightAnnotation * ha = new Okular::HighlightAnnotation();
|
|
ha->setHighlightType( type );
|
|
ha->setBoundingRectangle( Okular::NormalizedRect( rect, (int)item()->width(), (int)item()->height() ) );
|
|
foreach ( const Okular::NormalizedRect & r, *selection )
|
|
{
|
|
Okular::HighlightAnnotation::Quad q;
|
|
q.setCapStart( false );
|
|
q.setCapEnd( false );
|
|
q.setFeather( 1.0 );
|
|
q.setPoint( Okular::NormalizedPoint( r.left, r.bottom ), 0 );
|
|
q.setPoint( Okular::NormalizedPoint( r.right, r.bottom ), 1 );
|
|
q.setPoint( Okular::NormalizedPoint( r.right, r.top ), 2 );
|
|
q.setPoint( Okular::NormalizedPoint( r.left, r.top ), 3 );
|
|
ha->highlightQuads().append( q );
|
|
}
|
|
ann = ha;
|
|
}
|
|
|
|
delete selection;
|
|
selection = 0;
|
|
|
|
// safety check
|
|
if ( !ann )
|
|
return QList< Okular::Annotation* >();
|
|
|
|
// set common attributes
|
|
ann->style().setColor( m_annotElement.hasAttribute( "color" ) ?
|
|
m_annotElement.attribute( "color" ) : m_engineColor );
|
|
if ( m_annotElement.hasAttribute( "opacity" ) )
|
|
ann->style().setOpacity( m_annotElement.attribute( "opacity", "1.0" ).toDouble() );
|
|
|
|
// return annotations
|
|
return QList< Okular::Annotation* >() << ann;
|
|
}
|
|
|
|
private:
|
|
// data
|
|
PageView * m_pageView;
|
|
// TODO: support more pages
|
|
Okular::RegularAreaRect * selection;
|
|
Okular::NormalizedPoint lastPoint;
|
|
QRect rect;
|
|
};
|
|
|
|
|
|
/** PageViewAnnotator **/
|
|
|
|
PageViewAnnotator::PageViewAnnotator( PageView * parent, Okular::Document * storage )
|
|
: QObject( parent ), m_document( storage ), m_pageView( parent ),
|
|
m_toolBar( 0 ), m_engine( 0 ), m_textToolsEnabled( false ), m_toolsEnabled( false ),
|
|
m_lastToolID( -1 ), m_lockedItem( 0 )
|
|
{
|
|
// load the tools from the 'xml tools definition' file. store the tree internally.
|
|
QFile infoFile( KStandardDirs::locate("data", "okular/tools.xml") );
|
|
if ( infoFile.exists() && infoFile.open( QIODevice::ReadOnly ) )
|
|
{
|
|
QDomDocument doc( "annotatingTools" );
|
|
if ( doc.setContent( &infoFile ) )
|
|
{
|
|
m_toolsDefinition = doc.elementsByTagName("annotatingTools").item( 0 ).toElement();
|
|
|
|
// create the AnnotationToolItems from the XML dom tree
|
|
QDomNode toolDescription = m_toolsDefinition.firstChild();
|
|
while ( toolDescription.isElement() )
|
|
{
|
|
QDomElement toolElement = toolDescription.toElement();
|
|
if ( toolElement.tagName() == "tool" )
|
|
{
|
|
AnnotationToolItem item;
|
|
item.id = toolElement.attribute("id").toInt();
|
|
item.text = i18n( toolElement.attribute( "name" ).toUtf8() );
|
|
item.pixmap = toolElement.attribute("pixmap");
|
|
QDomNode shortcutNode = toolElement.elementsByTagName( "shortcut" ).item( 0 );
|
|
if ( shortcutNode.isElement() )
|
|
item.shortcut = shortcutNode.toElement().text();
|
|
QDomNodeList engineNodeList = toolElement.elementsByTagName( "engine" );
|
|
if ( engineNodeList.size() > 0 )
|
|
{
|
|
QDomElement engineEl = engineNodeList.item( 0 ).toElement();
|
|
if ( !engineEl.isNull() && engineEl.hasAttribute( "type" ) )
|
|
item.isText = engineEl.attribute( "type" ) == QLatin1String( "TextSelector" );
|
|
}
|
|
m_items.push_back( item );
|
|
}
|
|
toolDescription = toolDescription.nextSibling();
|
|
}
|
|
}
|
|
else
|
|
kWarning() << "AnnotatingTools XML file seems to be damaged";
|
|
infoFile.close();
|
|
}
|
|
else
|
|
kWarning() << "Unable to open AnnotatingTools XML definition";
|
|
}
|
|
|
|
PageViewAnnotator::~PageViewAnnotator()
|
|
{
|
|
delete m_engine;
|
|
}
|
|
|
|
void PageViewAnnotator::setEnabled( bool on )
|
|
{
|
|
if ( !on )
|
|
{
|
|
// remove toolBar
|
|
if ( m_toolBar )
|
|
m_toolBar->hideAndDestroy();
|
|
m_toolBar = 0;
|
|
// deactivate the active tool, if any
|
|
slotToolSelected( -1 );
|
|
return;
|
|
}
|
|
|
|
// if no tools are defined, don't show the toolbar
|
|
if ( !m_toolsDefinition.hasChildNodes() )
|
|
return;
|
|
|
|
// create toolBar
|
|
if ( !m_toolBar )
|
|
{
|
|
m_toolBar = new PageViewToolBar( m_pageView, m_pageView->viewport() );
|
|
m_toolBar->setSide( (PageViewToolBar::Side)Okular::Settings::editToolBarPlacement() );
|
|
m_toolBar->setItems( m_items );
|
|
m_toolBar->setToolsEnabled( m_toolsEnabled );
|
|
m_toolBar->setTextToolsEnabled( m_textToolsEnabled );
|
|
connect( m_toolBar, SIGNAL( toolSelected(int) ),
|
|
this, SLOT( slotToolSelected(int) ) );
|
|
connect( m_toolBar, SIGNAL( orientationChanged(int) ),
|
|
this, SLOT( slotSaveToolbarOrientation(int) ) );
|
|
}
|
|
|
|
// show the toolBar
|
|
m_toolBar->showAndAnimate();
|
|
|
|
// ask for Author's name if not already set
|
|
if ( Okular::Settings::identityAuthor().isEmpty() )
|
|
{
|
|
// get default username from the kdelibs/kdecore/KUser
|
|
KUser currentUser;
|
|
QString userName = currentUser.property( KUser::FullName ).toString();
|
|
// ask the user for confirmation/change
|
|
bool firstTry = true;
|
|
while ( firstTry || userName.isEmpty() )
|
|
{
|
|
QString prompt = firstTry ? i18n( "Please insert your name or initials:" ) :
|
|
i18n( "You must set this name:" );
|
|
userName = KInputDialog::getText( i18n("Annotations author"), prompt, userName );
|
|
firstTry = false;
|
|
}
|
|
// save the name
|
|
Okular::Settings::setIdentityAuthor( userName );
|
|
Okular::Settings::self()->writeConfig();
|
|
}
|
|
}
|
|
|
|
void PageViewAnnotator::setTextToolsEnabled( bool enabled )
|
|
{
|
|
m_textToolsEnabled = enabled;
|
|
if ( m_toolBar )
|
|
m_toolBar->setTextToolsEnabled( m_textToolsEnabled );
|
|
}
|
|
|
|
void PageViewAnnotator::setToolsEnabled( bool enabled )
|
|
{
|
|
m_toolsEnabled = enabled;
|
|
if ( m_toolBar )
|
|
m_toolBar->setToolsEnabled( m_toolsEnabled );
|
|
}
|
|
|
|
bool PageViewAnnotator::routeEvents() const
|
|
{
|
|
return m_engine && m_toolBar;
|
|
}
|
|
|
|
QRect PageViewAnnotator::routeEvent( QMouseEvent * e, PageViewItem * item )
|
|
{
|
|
if ( !item ) return QRect();
|
|
|
|
// find out mouse event type
|
|
AnnotatorEngine::EventType eventType = AnnotatorEngine::Press;
|
|
if ( e->type() == QEvent::MouseMove )
|
|
eventType = AnnotatorEngine::Move;
|
|
else if ( e->type() == QEvent::MouseButtonRelease )
|
|
eventType = AnnotatorEngine::Release;
|
|
|
|
// find out the pressed button
|
|
AnnotatorEngine::Button button = AnnotatorEngine::None;
|
|
Qt::MouseButtons buttonState = ( eventType == AnnotatorEngine::Move ) ? e->buttons() : e->button();
|
|
if ( buttonState == Qt::LeftButton )
|
|
button = AnnotatorEngine::Left;
|
|
else if ( buttonState == Qt::RightButton )
|
|
button = AnnotatorEngine::Right;
|
|
|
|
// find out normalized mouse coords inside current item
|
|
const QRect & itemRect = item->geometry();
|
|
double itemWidth = (double)itemRect.width();
|
|
double itemHeight = (double)itemRect.height();
|
|
double nX = (double)(e->x() - itemRect.left()) / itemWidth;
|
|
double nY = (double)(e->y() - itemRect.top()) / itemHeight;
|
|
|
|
QRect modifiedRect;
|
|
|
|
// 1. lock engine to current item
|
|
if ( m_lockedItem && item != m_lockedItem )
|
|
return QRect();
|
|
if ( !m_lockedItem && eventType == AnnotatorEngine::Press )
|
|
{
|
|
m_lockedItem = item;
|
|
m_engine->setItem( m_lockedItem );
|
|
}
|
|
|
|
// 2. use engine to perform operations
|
|
QRect paintRect = m_engine->event( eventType, button, nX, nY, itemWidth, itemHeight, item->page() );
|
|
|
|
// 3. update absolute extents rect and send paint event(s)
|
|
if ( paintRect.isValid() )
|
|
{
|
|
// 3.1. unite old and new painting regions
|
|
QRegion compoundRegion( m_lastDrawnRect );
|
|
m_lastDrawnRect = paintRect;
|
|
m_lastDrawnRect.translate( itemRect.left(), itemRect.top() );
|
|
// 3.2. decompose paint region in rects and send paint events
|
|
QVector<QRect> rects = compoundRegion.unite( m_lastDrawnRect ).rects();
|
|
for ( int i = 0; i < rects.count(); i++ )
|
|
m_pageView->widget()->update( rects[i] );
|
|
modifiedRect = compoundRegion.boundingRect() | m_lastDrawnRect;
|
|
}
|
|
|
|
// 4. if engine has finished, apply Annotation to the page
|
|
if ( m_engine->creationCompleted() )
|
|
{
|
|
// apply engine data to the Annotation's and reset engine
|
|
QList< Okular::Annotation* > annotations = m_engine->end();
|
|
// attach the newly filled annotations to the page
|
|
foreach ( Okular::Annotation * annotation, annotations )
|
|
{
|
|
if ( !annotation ) continue;
|
|
|
|
annotation->setCreationDate( QDateTime::currentDateTime() );
|
|
annotation->setModificationDate( QDateTime::currentDateTime() );
|
|
annotation->setAuthor( Okular::Settings::identityAuthor() );
|
|
m_document->addPageAnnotation( m_lockedItem->pageNumber(), annotation );
|
|
}
|
|
|
|
// go on creating annotations of the same type
|
|
// for now, disable the "construct again the same annotation"
|
|
//slotToolSelected( m_lastToolID );
|
|
slotToolSelected( -1 );
|
|
m_toolBar->selectButton( -1 );
|
|
}
|
|
|
|
return modifiedRect;
|
|
}
|
|
|
|
bool PageViewAnnotator::routeKeyEvent( QKeyEvent * event )
|
|
{
|
|
if ( event->key() == Qt::Key_Escape )
|
|
{
|
|
m_toolBar->selectButton( -1 );
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool PageViewAnnotator::routePaints( const QRect & wantedRect ) const
|
|
{
|
|
return m_engine && m_toolBar && wantedRect.intersects( m_lastDrawnRect ) && m_lockedItem;
|
|
}
|
|
|
|
void PageViewAnnotator::routePaint( QPainter * painter, const QRect & paintRect )
|
|
{
|
|
// if there's no locked item, then there's no decided place to draw on
|
|
if ( !m_lockedItem )
|
|
return;
|
|
|
|
#ifndef NDEBUG
|
|
// [DEBUG] draw the paint region if enabled
|
|
if ( Okular::Settings::debugDrawAnnotationRect() )
|
|
painter->drawRect( paintRect );
|
|
#endif
|
|
// move painter to current itemGeometry rect
|
|
const QRect & itemGeometry = m_lockedItem->geometry();
|
|
painter->save();
|
|
painter->translate( itemGeometry.left(), itemGeometry.top() );
|
|
|
|
// transform cliprect from absolute to item relative coords
|
|
QRect annotRect = paintRect.intersect( m_lastDrawnRect );
|
|
annotRect.translate( itemGeometry.left(), itemGeometry.top() );
|
|
|
|
// use current engine for painting
|
|
m_engine->paint( painter, m_lockedItem->width(), m_lockedItem->height(), annotRect );
|
|
painter->restore();
|
|
}
|
|
|
|
void PageViewAnnotator::slotToolSelected( int toolID )
|
|
{
|
|
// terminate any previous operation
|
|
if ( m_engine )
|
|
{
|
|
delete m_engine;
|
|
m_engine = 0;
|
|
}
|
|
m_lockedItem = 0;
|
|
if ( m_lastDrawnRect.isValid() )
|
|
{
|
|
m_pageView->widget()->update( m_lastDrawnRect );
|
|
m_lastDrawnRect = QRect();
|
|
}
|
|
|
|
// store current tool for later usage
|
|
m_lastToolID = toolID;
|
|
|
|
// handle tool deselection
|
|
if ( toolID == -1 )
|
|
{
|
|
m_pageView->displayMessage( QString() );
|
|
return;
|
|
}
|
|
|
|
// for the selected tool create the Engine
|
|
QDomNode toolNode = m_toolsDefinition.firstChild();
|
|
while ( toolNode.isElement() )
|
|
{
|
|
QDomElement toolElement = toolNode.toElement();
|
|
toolNode = toolNode.nextSibling();
|
|
|
|
// only find out the element describing selected tool
|
|
if ( toolElement.tagName() != "tool" || toolElement.attribute("id").toInt() != toolID )
|
|
continue;
|
|
|
|
// parse tool properties
|
|
QDomNode toolSubNode = toolElement.firstChild();
|
|
while ( toolSubNode.isElement() )
|
|
{
|
|
QDomElement toolSubElement = toolSubNode.toElement();
|
|
toolSubNode = toolSubNode.nextSibling();
|
|
|
|
// create the AnnotatorEngine
|
|
if ( toolSubElement.tagName() == "engine" )
|
|
{
|
|
QString type = toolSubElement.attribute( "type" );
|
|
if ( type == "SmoothLine" )
|
|
m_engine = new SmoothPathEngine( toolSubElement );
|
|
else if ( type == "PickPoint" )
|
|
m_engine = new PickPointEngine( toolSubElement );
|
|
else if ( type == "PolyLine" )
|
|
m_engine = new PolyLineEngine( toolSubElement );
|
|
else if ( type == "TextSelector" )
|
|
m_engine = new TextSelectorEngine( toolSubElement, m_pageView );
|
|
else
|
|
kWarning().nospace() << "tools.xml: engine type:'" << type << "' is not defined!";
|
|
}
|
|
// display the tooltip
|
|
else if ( toolSubElement.tagName() == "tooltip" )
|
|
{
|
|
QString tip = toolSubElement.text();
|
|
if ( !tip.isEmpty() )
|
|
m_pageView->displayMessage( i18nc( "Annotation tool", tip.toUtf8() ), PageViewMessage::Annotation );
|
|
}
|
|
}
|
|
|
|
// consistancy warning
|
|
if ( !m_engine )
|
|
kWarning() << "tools.xml: couldn't find good engine description. check xml.";
|
|
|
|
// stop after parsing selected tool's node
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PageViewAnnotator::slotSaveToolbarOrientation( int side )
|
|
{
|
|
Okular::Settings::setEditToolBarPlacement( (int)side );
|
|
Okular::Settings::self()->writeConfig();
|
|
}
|
|
|
|
#include "pageviewannotator.moc"
|