Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 245 insertions, 0 deletions

diff --git a/kig/modes/moving.cc b/kig/modes/moving.cc
new file mode 100644
index 00000000..e628a7ce
--- /dev/null
+++ b/kig/modes/moving.cc
@@ -0,0 +1,245 @@
+// Copyright (C)  2002  Dominique Devriese <devriese@kde.org>
+
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+
+// This program 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 General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+// 02110-1301, USA.
+
+#include "moving.h"
+
+#include "normal.h"
+
+#include "../objects/object_imp.h"
+#include "../objects/object_factory.h"
+#include "../kig/kig_document.h"
+#include "../kig/kig_part.h"
+#include "../kig/kig_view.h"
+#include "../kig/kig_commands.h"
+#include "../misc/kigpainter.h"
+#include "../misc/calcpaths.h"
+#include "../misc/coordinate_system.h"
+
+#include <qevent.h>
+
+#include <functional>
+#include <algorithm>
+#include <map>
+
+void MovingModeBase::initScreen( const std::vector<ObjectCalcer*>& in )
+{
+  mcalcable = in;
+  std::set<ObjectCalcer*> calcableset( mcalcable.begin(), mcalcable.end() );
+
+  // don't try to move objects that have been deleted from the
+  // document or internal objects that the user is not aware of..
+  std::vector<ObjectHolder*> docobjs = mdoc.document().objects();
+  for ( std::vector<ObjectHolder*>::iterator i = docobjs.begin();
+        i != docobjs.end(); ++i )
+    if ( calcableset.find( ( *i )->calcer() ) != calcableset.end() )
+      mdrawable.push_back( *i );
+
+  std::set<ObjectHolder*> docobjsset( docobjs.begin(), docobjs.end() );
+  std::set<ObjectHolder*> drawableset( mdrawable.begin(), mdrawable.end() );
+  std::set<ObjectHolder*> notmovingobjs;
+  std::set_difference( docobjsset.begin(), docobjsset.end(), drawableset.begin(), drawableset.end(),
+                       std::inserter( notmovingobjs, notmovingobjs.begin() ) );
+
+  mview.clearStillPix();
+  KigPainter p( mview.screenInfo(), &mview.stillPix, mdoc.document() );
+  p.drawGrid( mdoc.document().coordinateSystem(), mdoc.document().grid(),
+              mdoc.document().axes() );
+  p.drawObjects( notmovingobjs.begin(), notmovingobjs.end(), false );
+  mview.updateCurPix();
+
+  KigPainter p2( mview.screenInfo(), &mview.curPix, mdoc.document() );
+  p2.drawObjects( drawableset.begin(), drawableset.end(), true );
+}
+
+void MovingModeBase::leftReleased( QMouseEvent*, KigWidget* v )
+{
+  // clean up after ourselves:
+  for ( std::vector<ObjectCalcer*>::iterator i = mcalcable.begin();
+        i != mcalcable.end(); ++i )
+    ( *i )->calc( mdoc.document() );
+  stopMove();
+  mdoc.setModified( true );
+
+  // refresh the screen:
+  v->redrawScreen( std::vector<ObjectHolder*>() );
+  v->updateScrollBars();
+
+  mdoc.doneMode( this );
+}
+
+void MovingModeBase::mouseMoved( QMouseEvent* e, KigWidget* v )
+{
+  v->updateCurPix();
+  Coordinate c = v->fromScreen( e->pos() );
+
+  bool snaptogrid = e->state() & Qt::ShiftButton;
+  moveTo( c, snaptogrid );
+  for ( std::vector<ObjectCalcer*>::iterator i = mcalcable.begin();
+        i != mcalcable.end(); ++i )
+    ( *i )->calc( mdoc.document() );
+  KigPainter p( v->screenInfo(), &v->curPix, mdoc.document() );
+  // TODO: only draw the explicitly moving objects as selected, the
+  // other ones as deselected.. Needs some support from the
+  // subclasses..
+  p.drawObjects( mdrawable, true );
+  v->updateWidget( p.overlay() );
+  v->updateScrollBars();
+}
+
+class MovingMode::Private
+{
+public:
+  // explicitly moving objects: these are the objects that the user
+  // requested to move...
+  std::vector<ObjectCalcer*> emo;
+  // point where we started moving..
+  Coordinate pwwsm;
+  MonitorDataObjects* mon;
+  // we keep a map from the emo objects to their reference location.
+  // This is the location that they claim to be at before moving
+  // starts, and we use it as a reference point to determine where
+  // they should move next..
+  std::map<const ObjectCalcer*, Coordinate> refmap;
+};
+
+MovingMode::MovingMode( const std::vector<ObjectHolder*>& os, const Coordinate& c,
+                        KigWidget& v, KigPart& doc )
+  : MovingModeBase( doc, v ), d( new Private )
+{
+  d->pwwsm = c;
+  std::vector<ObjectCalcer*> emo;
+  std::set<ObjectCalcer*> objs;
+  for ( std::vector<ObjectHolder*>::const_iterator i = os.begin(); i != os.end(); ++i )
+    if ( (*i)->canMove() )
+    {
+      emo.push_back( ( *i )->calcer() );
+      d->refmap[( *i )->calcer()] = (*i)->moveReferencePoint();
+      objs.insert( ( *i )->calcer() );
+      std::vector<ObjectCalcer*> parents = ( *i )->calcer()->movableParents();
+      objs.insert( parents.begin(), parents.end() );
+    };
+
+  emo = calcPath( emo );
+  for ( std::vector<ObjectCalcer*>::const_iterator i = emo.begin(); i != emo.end(); ++i )
+    if ( !isChild( *i, d->emo ) )
+      d->emo.push_back( *i );
+
+  d->mon = new MonitorDataObjects( std::vector<ObjectCalcer*>( objs.begin(),objs.end() ) );
+
+  std::set<ObjectCalcer*> tmp = objs;
+  for ( std::set<ObjectCalcer*>::const_iterator i = tmp.begin(); i != tmp.end(); ++i )
+  {
+    std::set<ObjectCalcer*> children = getAllChildren(*i);
+    objs.insert( children.begin(), children.end() );
+  }
+
+  initScreen( calcPath( std::vector<ObjectCalcer*>( objs.begin(), objs.end() ) ) );
+}
+
+void MovingMode::stopMove()
+{
+  QString text = d->emo.size() == 1 ?
+                 d->emo[0]->imp()->type()->moveAStatement() :
+                 i18n( "Move %1 Objects" ).arg( d->emo.size() );
+  KigCommand* mc = new KigCommand( mdoc, text );
+  d->mon->finish( mc );
+  mdoc.history()->addCommand( mc );
+}
+
+void MovingMode::moveTo( const Coordinate& o, bool snaptogrid )
+{
+  for( std::vector<ObjectCalcer*>::iterator i = d->emo.begin(); i != d->emo.end(); ++i )
+  {
+    assert( d->refmap.find( *i ) != d->refmap.end() );
+    Coordinate nc = d->refmap[*i] + ( o - d->pwwsm );
+    if ( snaptogrid ) nc = mdoc.document().coordinateSystem().snapToGrid( nc, mview );
+    (*i)->move( nc, mdoc.document() );
+  };
+}
+
+PointRedefineMode::PointRedefineMode( ObjectHolder* p, KigPart& d, KigWidget& v )
+  : MovingModeBase( d, v ), mp( p ), mmon( 0 )
+{
+  assert( dynamic_cast<ObjectTypeCalcer*>( p->calcer() ) );
+  moldtype = static_cast<ObjectTypeCalcer*>( p->calcer() )->type();
+  std::vector<ObjectCalcer*> oldparents = p->calcer()->parents();
+  std::copy( oldparents.begin(), oldparents.end(), std::back_inserter( moldparents ) );
+
+  std::vector<ObjectCalcer*> parents = getAllParents( mp->calcer() );
+  mmon = new MonitorDataObjects( parents );
+  std::vector<ObjectCalcer*> moving = parents;
+  std::set<ObjectCalcer*> children = getAllChildren( mp->calcer() );
+  std::copy( children.begin(), children.end(), std::back_inserter( moving ) );
+  initScreen( moving );
+}
+
+void PointRedefineMode::moveTo( const Coordinate& o, bool snaptogrid )
+{
+  Coordinate realo =
+    snaptogrid ? mdoc.document().coordinateSystem().snapToGrid( o, mview ) : o;
+  ObjectFactory::instance()->redefinePoint(
+    static_cast<ObjectTypeCalcer*>( mp->calcer() ), realo, mdoc.document(), mview );
+}
+
+PointRedefineMode::~PointRedefineMode()
+{
+}
+
+MovingModeBase::MovingModeBase( KigPart& doc, KigWidget& v )
+  : KigMode( doc ), mview( v )
+{
+}
+
+MovingModeBase::~MovingModeBase()
+{
+}
+
+void MovingModeBase::leftMouseMoved( QMouseEvent* e, KigWidget* v )
+{
+  mouseMoved( e, v );
+}
+
+MovingMode::~MovingMode()
+{
+  delete d->mon;
+  delete d;
+}
+
+void PointRedefineMode::stopMove()
+{
+  assert( dynamic_cast<ObjectTypeCalcer*>( mp->calcer() ) );
+  ObjectTypeCalcer* mpcalc = static_cast<ObjectTypeCalcer*>(  mp->calcer() );
+
+  std::vector<ObjectCalcer*> newparents = mpcalc->parents();
+  std::vector<ObjectCalcer::shared_ptr> newparentsref(
+    newparents.begin(), newparents.end() );
+  const ObjectType* newtype = mpcalc->type();
+
+  std::vector<ObjectCalcer*> oldparents;
+  for( std::vector<ObjectCalcer::shared_ptr>::iterator i = moldparents.begin();
+       i != moldparents.end(); ++i )
+    oldparents.push_back( i->get() );
+  mpcalc->setType( moldtype );
+  mpcalc->setParents( oldparents );
+  mp->calc( mdoc.document() );
+
+  KigCommand* command = new KigCommand( mdoc, i18n( "Redefine Point" ) );
+  command->addTask(
+    new ChangeParentsAndTypeTask( mpcalc, newparents, newtype ) );
+  mmon->finish( command );
+  mdoc.history()->addCommand( command );
+}