You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
444 lines
11 KiB
444 lines
11 KiB
/* This file is part of the KDE project
|
|
Copyright (C) 2002, The Karbon Developers
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
#include <tqcursor.h>
|
|
#include <tqlabel.h>
|
|
|
|
#include <klocale.h>
|
|
#include <KoPoint.h>
|
|
#include <KoRect.h>
|
|
|
|
#include <karbon_part.h>
|
|
#include <karbon_view.h>
|
|
|
|
#include <render/vpainter.h>
|
|
#include <render/vpainterfactory.h>
|
|
#include <visitors/vselectnodes.h>
|
|
#include <commands/vtransformcmd.h>
|
|
#include <visitors/vdrawselection.h>
|
|
#include <core/vselection.h>
|
|
#include <core/vcursor.h>
|
|
#include "vselectnodestool.h"
|
|
#include <vtransformnodes.h>
|
|
#include <commands/vdeletenodescmd.h>
|
|
#include <widgets/vcanvas.h>
|
|
|
|
#include <kdebug.h>
|
|
|
|
VSelectNodesTool::VSelectNodesTool( KarbonView* view )
|
|
: VTool( view, "tool_select_nodes" ), m_state( normal ), m_select( true )
|
|
{
|
|
registerTool( this );
|
|
}
|
|
|
|
VSelectNodesTool::~VSelectNodesTool()
|
|
{
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::activate()
|
|
{
|
|
if( view() )
|
|
{
|
|
view()->setCursor( VCursor::needleArrow() );
|
|
view()->part()->document().selection()->showHandle( false );
|
|
view()->part()->document().selection()->setSelectObjects( false );
|
|
// deselect all nodes
|
|
view()->part()->document().selection()->selectNodes( false );
|
|
view()->repaintAll( view()->part()->document().selection()->boundingBox() );
|
|
}
|
|
VTool::activate();
|
|
}
|
|
|
|
TQString
|
|
VSelectNodesTool::statusText()
|
|
{
|
|
if( m_state == normal )
|
|
return i18n( "Editing Nodes" );
|
|
else
|
|
return TQString( "" );
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::draw()
|
|
{
|
|
VPainter *painter = view()->painterFactory()->editpainter();
|
|
painter->setZoomFactor( view()->zoom() );
|
|
painter->setRasterOp( TQt::NotROP );
|
|
|
|
if( m_state == dragging )
|
|
{
|
|
painter->setPen( TQt::DotLine );
|
|
painter->newPath();
|
|
painter->moveTo( KoPoint( m_first.x(), m_first.y() ) );
|
|
painter->lineTo( KoPoint( m_current.x(), m_first.y() ) );
|
|
painter->lineTo( KoPoint( m_current.x(), m_current.y() ) );
|
|
painter->lineTo( KoPoint( m_first.x(), m_current.y() ) );
|
|
painter->lineTo( KoPoint( m_first.x(), m_first.y() ) );
|
|
painter->strokePath();
|
|
}
|
|
else
|
|
{
|
|
VDrawSelection op( m_objects, painter, true, VSelection::handleSize() );
|
|
VObjectListIterator itr = m_objects;
|
|
for( ; itr.current(); ++itr )
|
|
op.visit( *( itr.current() ) );
|
|
}
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::setCursor() const
|
|
{
|
|
if( m_state >= moving )
|
|
{
|
|
view()->setCursor( VCursor::needleMoveArrow() );
|
|
return;
|
|
}
|
|
|
|
KoRect selrect = calcSelRect( last() );
|
|
|
|
TQPtrList<VSegment> segments = view()->part()->document().selection()->getSegments( selrect );
|
|
if( segments.count() > 0 )
|
|
{
|
|
VSegment* seg = segments.at( 0 );
|
|
for( int i = 0; i < seg->degree(); ++i )
|
|
if( seg->pointIsSelected( i ) && selrect.contains( seg->point( i ) ) )
|
|
{
|
|
view()->setCursor( VCursor::needleMoveArrow() );
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
view()->setCursor( VCursor::needleArrow() );
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::mouseButtonPress()
|
|
{
|
|
m_first = m_current = first();
|
|
|
|
m_state = normal;
|
|
m_select = true;
|
|
|
|
recalc();
|
|
|
|
view()->part()->document().selection()->setState( VObject::edit );
|
|
view()->repaintAll( view()->part()->document().selection()->boundingBox() );
|
|
view()->part()->document().selection()->setState( VObject::selected );
|
|
|
|
VSelection* selection = view()->part()->document().selection();
|
|
|
|
KoRect selrect = calcSelRect( m_current );
|
|
|
|
// get segments with control points inside selection rect
|
|
TQPtrList<VSegment> segments = selection->getSegments( selrect );
|
|
if( segments.count() > 0 )
|
|
{
|
|
VSegment *seg = segments.at( 0 );
|
|
VSegment* prev = seg->prev();
|
|
VSegment* next = seg->next();
|
|
|
|
// allow moving bezier points only if one of the bezier points is within the selection rect
|
|
// and no neighboring knot is selected
|
|
if( segments.count() == 1 && ! selrect.contains( seg->knot() ) && ! seg->knotIsSelected()
|
|
&& ( prev && ! prev->knotIsSelected() ) )
|
|
{
|
|
if( selrect.contains( seg->point( 1 ) ) )
|
|
{
|
|
m_state = movingbezier1;
|
|
if( next )
|
|
next->selectPoint( 0, false );
|
|
}
|
|
else if( selrect.contains( seg->point( 0 ) ) )
|
|
{
|
|
m_state = movingbezier2;
|
|
if( prev )
|
|
prev->selectPoint( 1, false );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for( VSegment *seg = segments.first(); seg; seg = segments.next() )
|
|
{
|
|
for( int i = 0; i < seg->degree(); ++i )
|
|
{
|
|
if( seg->pointIsSelected( i ) && selrect.contains( seg->point( i ) ) )
|
|
{
|
|
m_state = moving;
|
|
break;
|
|
}
|
|
}
|
|
if( m_state == moving )
|
|
break;
|
|
}
|
|
}
|
|
|
|
double minDist = -1.0;
|
|
// use the nearest control point of all the segments as starting point
|
|
for( VSegment *seg = segments.first(); seg; seg = segments.next() )
|
|
{
|
|
for( int i = 0; i < seg->degree(); ++i )
|
|
{
|
|
if( selrect.contains( seg->point( i ) ) )
|
|
{
|
|
KoPoint vDist = seg->point( i ) - m_current;
|
|
double dist = vDist.x()*vDist.x() + vDist.y()*vDist.y();
|
|
if( minDist < 0.0 || dist < minDist )
|
|
{
|
|
m_first = seg->point( i );
|
|
minDist = dist;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
recalc();
|
|
}
|
|
else
|
|
m_state = dragging;
|
|
|
|
draw();
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::rightMouseButtonPress()
|
|
{
|
|
m_first = m_current = first();
|
|
|
|
m_state = normal;
|
|
m_select = false;
|
|
|
|
recalc();
|
|
|
|
view()->part()->document().selection()->setState( VObject::edit );
|
|
view()->repaintAll( view()->part()->document().selection()->boundingBox() );
|
|
view()->part()->document().selection()->setState( VObject::selected );
|
|
|
|
draw();
|
|
}
|
|
|
|
bool
|
|
VSelectNodesTool::keyReleased( TQt::Key key )
|
|
{
|
|
VSelection* selection = view()->part()->document().selection();
|
|
|
|
switch( key )
|
|
{
|
|
// increase/decrease the handle size
|
|
case TQt::Key_I:
|
|
{
|
|
uint handleSize = selection->handleSize();
|
|
if( shiftPressed() )
|
|
selection->setHandleSize( ++handleSize );
|
|
else if( handleSize > 1 )
|
|
selection->setHandleSize( --handleSize );
|
|
}
|
|
break;
|
|
case TQt::Key_Delete:
|
|
if( selection->objects().count() > 0 )
|
|
view()->part()->addCommand( new VDeleteNodeCmd( &view()->part()->document() ), true );
|
|
break;
|
|
default: return false;
|
|
}
|
|
|
|
if( view() )
|
|
view()->repaintAll( selection->boundingBox() );
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::mouseButtonRelease()
|
|
{
|
|
// erase old object:
|
|
draw();
|
|
|
|
VSelection* selection = view()->part()->document().selection();
|
|
|
|
KoRect selrect = calcSelRect( last() );
|
|
|
|
if( ctrlPressed() )
|
|
selection->append( selrect.normalize(), false, false );
|
|
else
|
|
selection->append( selrect.normalize(), false, true );
|
|
|
|
view()->selectionChanged();
|
|
view()->part()->repaintAllViews();
|
|
m_state = normal;
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::rightMouseButtonRelease()
|
|
{
|
|
// erase old object:
|
|
draw();
|
|
|
|
VSelection* selection = view()->part()->document().selection();
|
|
|
|
KoRect selrect = calcSelRect( last() );
|
|
|
|
selection->take( selrect.normalize(), false, false );
|
|
|
|
view()->selectionChanged();
|
|
view()->part()->repaintAllViews();
|
|
m_state = normal;
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::mouseDrag()
|
|
{
|
|
draw();
|
|
|
|
recalc();
|
|
|
|
draw();
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::mouseDragRelease()
|
|
{
|
|
if( m_state >= moving )
|
|
{
|
|
view()->part()->document().selection()->setState( VObject::selected );
|
|
VCommand *cmd;
|
|
TQPtrList<VSegment> segments;
|
|
KoPoint _last = view()->canvasWidget()->snapToGrid( last() );
|
|
if( m_state == movingbezier1 || m_state == movingbezier2 )
|
|
{
|
|
KoRect selrect = calcSelRect( m_first );
|
|
segments = view()->part()->document().selection()->getSegments( selrect );
|
|
cmd = new VTranslateBezierCmd( &view()->part()->document(), segments.at( 0 ),
|
|
tqRound( ( _last.x() - m_first.x() ) ),
|
|
tqRound( ( _last.y() - m_first.y() ) ),
|
|
m_state == movingbezier2 );
|
|
}
|
|
else
|
|
{
|
|
cmd = new VTranslatePointCmd(
|
|
&view()->part()->document(),
|
|
tqRound( ( _last.x() - m_first.x() ) ),
|
|
tqRound( ( _last.y() - m_first.y() ) ) );
|
|
}
|
|
view()->part()->addCommand( cmd, true );
|
|
m_state = normal;
|
|
}
|
|
else
|
|
{
|
|
KoPoint fp = m_first;
|
|
KoPoint lp = last();
|
|
|
|
if ( (fabs(lp.x() - fp.x()) + fabs(lp.y()-fp.y())) < 3.0 )
|
|
{
|
|
// AK - should take the middle point here
|
|
fp = last() - KoPoint(8.0, 8.0);
|
|
lp = last() + KoPoint(8.0, 8.0);
|
|
}
|
|
|
|
// erase old object:
|
|
draw();
|
|
|
|
if( m_select )
|
|
{
|
|
view()->part()->document().selection()->append(); // select all
|
|
view()->part()->document().selection()->append(
|
|
KoRect( fp.x(), fp.y(), lp.x() - fp.x(), lp.y() - fp.y() ).normalize(),
|
|
false, true );
|
|
}
|
|
else
|
|
{
|
|
view()->part()->document().selection()->take(
|
|
KoRect( fp.x(), fp.y(), lp.x() - fp.x(), lp.y() - fp.y() ).normalize(),
|
|
false, false );
|
|
}
|
|
view()->selectionChanged();
|
|
view()->part()->repaintAllViews();
|
|
m_state = normal;
|
|
}
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::cancel()
|
|
{
|
|
// Erase old object:
|
|
if ( isDragging() )
|
|
{
|
|
draw();
|
|
m_state = normal;
|
|
view()->repaintAll( view()->part()->document().selection()->boundingBox() );
|
|
}
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::recalc()
|
|
{
|
|
if( m_state == dragging )
|
|
{
|
|
m_current = last();
|
|
}
|
|
else if( m_state == moving || m_state == movingbezier1 || m_state == movingbezier2 )
|
|
{
|
|
KoPoint _last = view()->canvasWidget()->snapToGrid( last() );
|
|
double distx = _last.x() - m_first.x();
|
|
double disty = _last.y() - m_first.y();
|
|
// move operation
|
|
TQWMatrix mat;
|
|
mat.translate( distx, disty );
|
|
|
|
// Copy selected objects and transform:
|
|
m_objects.clear();
|
|
VObject* copy;
|
|
|
|
VTransformNodes op( mat );
|
|
|
|
VObjectListIterator itr = view()->part()->document().selection()->objects();
|
|
for ( ; itr.current() ; ++itr )
|
|
{
|
|
if( itr.current()->state() != VObject::deleted )
|
|
{
|
|
copy = itr.current()->clone();
|
|
copy->setState( VObject::edit );
|
|
op.visit( *copy );
|
|
m_objects.append( copy );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
VSelectNodesTool::setup( KActionCollection *collection )
|
|
{
|
|
m_action = static_cast<KRadioAction *>(collection -> action( name() ) );
|
|
|
|
if( m_action == 0 )
|
|
{
|
|
m_action = new KRadioAction( i18n( "Select Nodes Tool" ), "14_selectnodes", TQt::SHIFT+TQt::Key_H, this, TQT_SLOT( activate() ), collection, name() );
|
|
m_action->setToolTip( i18n( "Select Nodes" ) );
|
|
m_action->setExclusiveGroup( "select" );
|
|
//m_ownAction = true;
|
|
}
|
|
}
|
|
|
|
KoRect
|
|
VSelectNodesTool::calcSelRect( const KoPoint &pos ) const
|
|
{
|
|
double tolerance = view()->part()->document().selection()->handleSize() / view()->zoom();
|
|
return KoRect( pos.x() - tolerance, pos.y() - tolerance, 2 * tolerance + 1.0, 2 * tolerance + 1.0 );
|
|
}
|