summaryrefslogtreecommitdiffstats
path: root/kig/modes/moving.cpp
blob: d7d07e8977cda833990f5f2ad2f2a01900b9f7ec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
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 <tqevent.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( TQMouseEvent*, 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( TQMouseEvent* e, KigWidget* v )
{
  v->updateCurPix();
  Coordinate c = v->fromScreen( e->pos() );

  bool snaptogrid = e->state() & TQt::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()
{
  TQString 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( TQMouseEvent* 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 );
}