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-rw-r--r--karbon/tools/vrotatetool.cpp175
1 files changed, 175 insertions, 0 deletions
diff --git a/karbon/tools/vrotatetool.cpp b/karbon/tools/vrotatetool.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 2001, 2002, 2003 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 <tdelocale.h>
+#include <KoRect.h>
+
+#include <karbon_part.h>
+#include <karbon_view.h>
+#include <core/vglobal.h>
+#include "vrotatetool.h"
+#include <render/vpainter.h>
+#include <render/vpainterfactory.h>
+#include <commands/vtransformcmd.h>
+
+#include <kdebug.h>
+
+VRotateTool::VRotateTool( KarbonView *view )
+ : VTool( view, "tool_rotate" )
+{
+ m_objects.setAutoDelete( true );
+ registerTool( this );
+}
+
+VRotateTool::~VRotateTool()
+{
+ m_objects.clear();
+}
+
+void
+VRotateTool::activate()
+{
+ view()->setCursor( TQCursor( TQt::arrowCursor ) );
+ view()->part()->document().selection()->setState( VObject::selected );
+ view()->part()->document().selection()->showHandle( false );
+ VTool::activate();
+}
+
+TQString
+VRotateTool::statusText()
+{
+ return i18n( "Rotate" );
+}
+
+void
+VRotateTool::draw()
+{
+ VPainter* painter = view()->painterFactory()->editpainter();
+ //painter->setZoomFactor( view()->zoom() );
+ painter->setRasterOp( TQt::NotROP );
+
+ VObjectListIterator itr = m_objects;
+ for( ; itr.current(); ++itr )
+ {
+ itr.current()->draw( painter, &itr.current()->boundingBox() );
+ }
+}
+
+void
+VRotateTool::mouseButtonPress()
+{
+ //view()->painterFactory()->painter()->end();
+
+ recalc();
+
+ // Draw new object:
+ draw();
+}
+
+void
+VRotateTool::mouseDrag()
+{
+ // Erase old object:
+ draw();
+
+ recalc();
+
+ // Draw new object:
+ draw();
+}
+
+void
+VRotateTool::mouseDragRelease()
+{
+ view()->part()->addCommand(
+ new VRotateCmd(
+ &view()->part()->document(),
+ m_center,
+ m_angle, altPressed() ),
+ true );
+}
+
+void
+VRotateTool::cancel()
+{
+ // Erase old object:
+ if ( isDragging() )
+ {
+ draw();
+ view()->repaintAll( view()->part()->document().selection()->boundingBox() );
+ }
+}
+
+void
+VRotateTool::recalc()
+{
+ // Get center:
+ m_center = view()->part()->document().selection()->boundingBox().center();
+
+ // Calculate angle between vector (last - center) and (first - center):
+ m_angle = VGlobal::one_pi_180 * (
+ atan2(
+ last().y() - m_center.y(),
+ last().x() - m_center.x() )
+ -
+ atan2(
+ first().y() - m_center.y(),
+ first().x() - m_center.x() ) );
+
+ VRotateCmd cmd( 0L, m_center, m_angle );
+
+ // Copy selected objects and transform:
+ m_objects.clear();
+ VObject* copy;
+
+ VObjectListIterator itr = view()->part()->document().selection()->objects();
+ for ( ; itr.current() ; ++itr )
+ {
+ if( itr.current()->state() != VObject::deleted )
+ {
+ copy = itr.current()->clone();
+
+ cmd.visit( *copy );
+
+ copy->setState( VObject::edit );
+
+ m_objects.append( copy );
+ }
+ }
+}
+
+void
+VRotateTool::setup( TDEActionCollection *collection )
+{
+ m_action = static_cast<TDERadioAction *>(collection -> action( name() ) );
+
+ if( m_action == 0 )
+ {
+ m_action = new TDERadioAction( i18n( "Rotate Tool" ), "14_rotate", TQt::SHIFT+TQt::Key_H, this, TQT_SLOT( activate() ), collection, name() );
+ m_action->setToolTip( i18n( "Rotate" ) );
+ m_action->setExclusiveGroup( "manipulation" );
+ //m_ownAction = true;
+ }
+}
+