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286 lines
8.5 KiB
286 lines
8.5 KiB
/***************************************************************************
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kompareconnectwidget.cpp - description
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-------------------
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begin : Tue Jun 26 2001
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copyright : (C) 2001-2003 John Firebaugh
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(C) 2001-2004 Otto Bruggeman
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(C) 2004 Jeff Snyder
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email : jfirebaugh@kde.org
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otto.bruggeman@home.nl
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jeff@caffeinated.me.uk
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***************************************************************************/
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/***************************************************************************
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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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***************************************************************************/
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#include <tqapplication.h>
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#include <tqpainter.h>
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#include <tqpixmap.h>
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#include <tqstyle.h>
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#include <tqtimer.h>
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#include <kdebug.h>
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#include "viewsettings.h"
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#include "komparemodellist.h"
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#include "komparelistview.h"
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#include "komparesplitter.h"
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#include "kompareconnectwidget.h"
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using namespace Diff2;
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KompareConnectWidgetFrame::KompareConnectWidgetFrame( KompareListView* left,
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KompareListView* right,
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ViewSettings* settings,
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KompareSplitter* parent,
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const char* name ) :
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TQSplitterHandle(TQt::Horizontal, (TQSplitter *)parent, name),
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m_wid ( left, right, settings, this, name ),
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m_label ( "", this ),
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m_layout ( this )
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{
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setSizePolicy ( TQSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Ignored) );
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m_wid.setSizePolicy ( TQSizePolicy(TQSizePolicy::Ignored, TQSizePolicy::Ignored) );
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m_label.setSizePolicy ( TQSizePolicy(TQSizePolicy::Ignored, TQSizePolicy::Fixed) );
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m_label.setMargin(3);
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TQFrame* bottomLine = new TQFrame(this);
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bottomLine->setFrameShape(TQFrame::HLine);
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bottomLine->setFrameShadow ( TQFrame::Plain );
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bottomLine->setSizePolicy ( TQSizePolicy(TQSizePolicy::Ignored, TQSizePolicy::Fixed) );
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bottomLine->setFixedHeight(1);
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m_layout.setSpacing(0);
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m_layout.setMargin(0);
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m_layout.addWidget(&m_label);
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m_layout.addWidget(bottomLine);
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m_layout.addWidget(&m_wid);
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}
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KompareConnectWidgetFrame::~KompareConnectWidgetFrame()
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{
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}
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TQSize KompareConnectWidgetFrame::sizeHint() const
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{
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return TQSize(50, style().pixelMetric( TQStyle::PM_ScrollBarExtent ) );
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}
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static int kMouseOffset;
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void KompareConnectWidgetFrame::mouseMoveEvent( TQMouseEvent *e )
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{
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if ( !(e->state()&TQt::LeftButton) )
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return;
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TQCOORD pos = s->pick( parentWidget()->mapFromGlobal(e->globalPos()) )
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- kMouseOffset;
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((KompareSplitter*)s)->moveSplitter( pos, id() );
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}
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void KompareConnectWidgetFrame::mousePressEvent( TQMouseEvent *e )
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{
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if ( e->button() == TQt::LeftButton )
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kMouseOffset = s->pick( e->pos() );
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TQSplitterHandle::mousePressEvent(e);
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}
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void KompareConnectWidgetFrame::mouseReleaseEvent( TQMouseEvent *e )
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{
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if ( !opaque() && e->button() == TQt::LeftButton ) {
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TQCOORD pos = s->pick( parentWidget()->mapFromGlobal(e->globalPos()) )
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- kMouseOffset;
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((KompareSplitter*)s)->moveSplitter( pos, id() );
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}
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}
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KompareConnectWidget::KompareConnectWidget( KompareListView* left, KompareListView* right,
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ViewSettings* settings, TQWidget* parent, const char* name )
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: TQWidget(parent, name),
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m_settings( settings ),
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m_leftView( left ),
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m_rightView( right ),
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m_selectedModel( 0 ),
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m_selectedDifference( 0 )
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{
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// connect( m_settings, TQ_SIGNAL( settingsChanged() ), this, TQ_SLOT( slotDelayedRepaint() ) );
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setBackgroundMode( NoBackground );
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setSizePolicy( TQSizePolicy( TQSizePolicy::Fixed, TQSizePolicy::Minimum ) );
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setFocusProxy( parent->parentWidget() );
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}
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KompareConnectWidget::~KompareConnectWidget()
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{
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}
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void KompareConnectWidget::slotSetSelection( const DiffModel* model, const Difference* diff )
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{
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if( m_selectedModel == model && m_selectedDifference == diff )
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return;
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if ( m_selectedModel == model && m_selectedDifference != diff )
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{
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m_selectedDifference = diff;
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slotDelayedRepaint();
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return;
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}
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m_selectedModel = model;
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m_selectedDifference = diff;
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slotDelayedRepaint();
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}
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void KompareConnectWidget::slotDelayedRepaint()
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{
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TQTimer::singleShot( 0, this, TQ_SLOT( repaint() ) );
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}
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void KompareConnectWidget::slotSetSelection( const Difference* diff )
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{
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if ( m_selectedDifference == diff )
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return;
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m_selectedDifference = diff;
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slotDelayedRepaint();
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}
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void KompareConnectWidget::paintEvent( TQPaintEvent* /* e */ )
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{
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// kdDebug(8106) << "KompareConnectWidget::paintEvent()" << endl;
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TQPixmap pixbuf(size());
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TQPainter paint(&pixbuf, this);
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TQPainter* p = &paint;
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p->fillRect( 0, 0, pixbuf.width(), pixbuf.height(), white.dark(110) );
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if ( m_selectedModel )
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{
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int firstL = m_leftView->firstVisibleDifference();
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int firstR = m_rightView->firstVisibleDifference();
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int lastL = m_leftView->lastVisibleDifference();
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int lastR = m_rightView->lastVisibleDifference();
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int first = firstL < 0 ? firstR : TQMIN( firstL, firstR );
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int last = lastL < 0 ? lastR : TQMAX( lastL, lastR );
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// kdDebug(8106) << " left: " << firstL << " - " << lastL << endl;
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// kdDebug(8106) << " right: " << firstR << " - " << lastR << endl;
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// kdDebug(8106) << " drawing: " << first << " - " << last << endl;
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if ( first >= 0 && last >= 0 && first <= last )
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{
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const DifferenceList* differences = const_cast<DiffModel*>(m_selectedModel)->differences();
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DifferenceListConstIterator diffIt = differences->at( first );
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DifferenceListConstIterator dEnd = differences->at( last + 1 );
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TQRect leftRect, rightRect;
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for ( int i = first; i <= last; ++diffIt, ++i )
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{
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Difference* diff = *diffIt;
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bool selected = ( diff == m_selectedDifference );
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if ( TQApplication::reverseLayout() )
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{
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leftRect = m_rightView->itemRect( i );
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rightRect = m_leftView->itemRect( i );
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}
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else
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{
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leftRect = m_leftView->itemRect( i );
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rightRect = m_rightView->itemRect( i );
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}
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int tl = leftRect.top();
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int tr = rightRect.top();
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int bl = leftRect.bottom();
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int br = rightRect.bottom();
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// Bah, stupid 16-bit signed shorts in that crappy X stuff...
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tl = tl >= -32768 ? tl : -32768;
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tr = tr >= -32768 ? tr : -32768;
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bl = bl <= 32767 ? bl : 32767;
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br = br <= 32767 ? br : 32767;
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// kdDebug(8106) << "drawing: " << tl << " " << tr << " " << bl << " " << br << endl;
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TQPointArray topBezier = makeTopBezier( tl, tr );
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TQPointArray bottomBezier = makeBottomBezier( bl, br );
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TQColor color = m_settings->colorForDifferenceType( diff->type(), selected, diff->applied() ).dark(110);
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p->setPen( color );
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p->setBrush( color );
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p->drawPolygon ( makeConnectPoly( topBezier, bottomBezier ) );
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if ( selected )
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{
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p->setPen( color.dark(135) );
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p->drawPolyline( topBezier );
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p->drawPolyline( bottomBezier );
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}
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}
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}
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}
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p->flush();
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bitBlt(this, 0, 0, &pixbuf);
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}
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TQPointArray KompareConnectWidget::makeTopBezier( int tl, int tr )
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{
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int l = 0;
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int r = width();
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int o = (int)((double)r*0.4); // 40% of width
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TQPointArray controlPoints;
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if ( tl != tr )
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{
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controlPoints.setPoints( 4, l,tl, o,tl, r-o,tr, r,tr );
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return controlPoints.cubicBezier();
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}
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else
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{
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controlPoints.setPoints( 2, l,tl, r,tr );
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return controlPoints;
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}
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}
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TQPointArray KompareConnectWidget::makeBottomBezier( int bl, int br )
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{
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int l = 0;
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int r = width();
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int o = (int)((double)r*0.4); // 40% of width
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TQPointArray controlPoints;
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if ( bl != br )
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{
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controlPoints.setPoints( 4, r,br, r-o,br, o,bl, l,bl );
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return controlPoints.cubicBezier();
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}
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else
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{
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controlPoints.setPoints( 2, r,br, l,bl );
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return controlPoints;
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}
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}
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TQPointArray KompareConnectWidget::makeConnectPoly( const TQPointArray& topBezier, const TQPointArray& bottomBezier )
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{
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TQPointArray poly( topBezier.size() + bottomBezier.size() );
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for( uint i = 0; i < topBezier.size(); i++ )
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poly.setPoint( i, topBezier.point( i ) );
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for( uint i = 0; i < bottomBezier.size(); i++ )
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poly.setPoint( i + topBezier.size(), bottomBezier.point( i ) );
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return poly;
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}
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#include "kompareconnectwidget.moc"
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