picking.cc 15.4 KB
Newer Older
1
/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
2
3
*                                                                            *
*                              OpenFlipper                                   *
Jan Möbius's avatar
Jan Möbius committed
4
*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
Jan Möbius's avatar
Jan Möbius committed
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
*                           www.openflipper.org                              *
*                                                                            *
*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
*                                                                            *
*  OpenFlipper is free software: you can redistribute it and/or modify       *
*  it under the terms of the GNU Lesser General Public License as            *
*  published by the Free Software Foundation, either version 3 of            *
*  the License, or (at your option) any later version with the               *
*  following exceptions:                                                     *
*                                                                            *
*  If other files instantiate templates or use macros                        *
*  or inline functions from this file, or you compile this file and          *
*  link it with other files to produce an executable, this file does         *
*  not by itself cause the resulting executable to be covered by the         *
*  GNU Lesser General Public License. This exception does not however        *
*  invalidate any other reasons why the executable file might be             *
*  covered by the GNU Lesser General Public License.                         *
*                                                                            *
*  OpenFlipper 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 Lesser General Public License for more details.                       *
*                                                                            *
*  You should have received a copy of the GNU LesserGeneral Public           *
*  License along with OpenFlipper. If not,                                   *
*  see <http://www.gnu.org/licenses/>.                                       *
*                                                                            *
33
34
35
\*===========================================================================*/

/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
36
37
38
39
40
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
41
\*===========================================================================*/
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58




//=============================================================================
//
//  CLASS CoreWidget - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

#include "CoreWidget.hh"

#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
#include <OpenFlipper/common/GlobalOptions.hh>
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
59
#include <OpenFlipper/widgets/glWidget/CursorPainter.hh>
Jan Möbius's avatar
Jan Möbius committed
60
#include <ACG/Scenegraph/SceneGraphAnalysis.hh>
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

//-----------------------------------------------------------------------------

void CoreWidget::setActionMode(const Viewer::ActionMode _am){
  if (_am != actionMode_) {
    lastActionMode_ = actionMode_;
    actionMode_ = _am;


    // update Buttons

    moveButton_->setDown(false);
    pickButton_->setDown(false);
    questionButton_->setDown(false);

    switch (_am)
    {
      case Viewer::ExamineMode:
        moveButton_->setDown(true);
        break;
      case Viewer::LightMode:
        break;
      case Viewer::PickingMode:
        pickButton_->setDown(true);
        break;
      case Viewer::QuestionMode:
        questionButton_->setDown(true);
        break;
    }

Jan Möbius's avatar
Dennis:    
Jan Möbius committed
91
92
93
94
    // update cursor
    switch ( _am )
    {
      case Viewer::ExamineMode:
95
        cursorPainter_->setCursor(QCursor( QPixmap( OpenFlipper::Options::iconDirStr() + QDir::separator() + "cursor_move.png"  ) ,0,0 ));
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
96
        break;
Jan Möbius's avatar
Jan Möbius committed
97
      case Viewer::LightMode:
98
        cursorPainter_->setCursor(QCursor( QPixmap( OpenFlipper::Options::iconDirStr() + QDir::separator() + "cursor_light.png"  ) ,0,0 ));
Jan Möbius's avatar
Jan Möbius committed
99
        break;
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
100
      case Viewer::PickingMode:
101
        cursorPainter_->setCursor(QCursor( QPixmap( OpenFlipper::Options::iconDirStr() + QDir::separator() + "cursor_arrow.png"  ) ,0,0 ));
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
102
        if (pick_mode_idx_ != -1) {
103
          cursorPainter_->setCursor(pick_modes_[pick_mode_idx_].cursor() );
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
104
105
106
        }
        break;
      case Viewer::QuestionMode:
107
        cursorPainter_->setCursor(QCursor( QPixmap( OpenFlipper::Options::iconDirStr() + QDir::separator() + "cursor_whatsthis.png"  ) ,0,0 ));
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
108
109
        break;
    }
110
111
112

    // Update pickmode toolbar
    switch ( _am ) {
113
      case Viewer::ExamineMode:
114
        hidePickToolBar();
115
        break;
116

117
118
      case Viewer::PickingMode:
        // Show the pickMode Toolbar for this picking mode if it is set
119
120
        if (pick_mode_idx_ != -1) {
          if (pick_modes_[pick_mode_idx_].toolbar() )
121
            setActivePickToolBar(pick_modes_[pick_mode_idx_].toolbar());
122
          else
123
            hidePickToolBar();
124
125
        }
        break;
126
127

      default:
128
129
        break;
    }
130

Jan Möbius's avatar
Jan Möbius committed
131
132
133
134
    unsigned int maxPases = 1;
    ACG::Vec3d bbmin,bbmax;
    ACG::SceneGraph::analyzeSceneGraph(PluginFunctions::getSceneGraphRootNode(),maxPases,bbmin,bbmax);

135
136
    //update Viewers
    for ( unsigned int i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i ) {
137

Jan Möbius's avatar
Jan Möbius committed
138
      examiner_widgets_[i]->sceneGraph( PluginFunctions::getSceneGraphRootNode(), maxPases,bbmin,bbmax );
139
      examiner_widgets_[i]->trackMouse(false);
140
141
142
143
144
145

      if(_am == Viewer::PickingMode) {
          if (pick_mode_idx_ != -1) {
                examiner_widgets_[i]->trackMouse(pick_modes_[pick_mode_idx_].tracking() );
          }
      }
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
    }

    //emit pickmodeChanged with either the name of the current pickmode or an empty string
    if( pickingMode() )
      emit(signalPickModeChanged(pick_mode_name_));
    else
      emit(signalPickModeChanged(""));
  }
}

//-----------------------------------------------------------------------------

void CoreWidget::getActionMode(Viewer::ActionMode& _am){
  _am = actionMode_;
}

//-----------------------------------------------------------------------------

Jan Möbius's avatar
Jan Möbius committed
164
void CoreWidget::setPickMode(const std::string& _mode){
165
166
167

  for (unsigned int i=0; i<pick_modes_.size(); ++i)
  {
168
    if (pick_modes_[i].name() == _mode)
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
    {
      pickMode( i );
      updatePickMenu();
      return;
    }
  }
}

//-----------------------------------------------------------------------------

void CoreWidget::getPickMode(std::string& _mode){
  _mode = pick_mode_name_;
}

//-----------------------------------------------------------------------------

185
186
187
188
void CoreWidget::setActivePickToolBar(QToolBar* _tool) {

    if(_tool != 0) {

189
190
      // Hide all picking toolbars
      hidePickToolBar();
191

192
      if ( OpenFlipperSettings().value("Core/Gui/ToolBars/PickToolbarInScene",false).toBool() ) {
193
194

        // Try to find toolbar in local map ( if it is in the gl scene
195
196
        PickToolBarMap::iterator ret = curPickingToolbarItems_.find(_tool);
        if(ret == curPickingToolbarItems_.end()) {
197
198
199
200
201
202
203
204

          // Set horizontal orientation
          _tool->setOrientation(Qt::Horizontal);

          // Update size as the orientation changed
          _tool->adjustSize();

          // Add widget to the gl scene
Jan Möbius's avatar
Jan Möbius committed
205
          QGraphicsProxyWidget* item = glScene_->addWidget(_tool);
206
207
208
209
210
211
212
213

          // Put it into center of the screen
          int midP = (glScene_->width() / 2) - (int)(_tool->width() / 2);
          item->setPos(midP, 3);

          item->show();

          // Remember it as being part of the scene
Jan Möbius's avatar
Jan Möbius committed
214
          curPickingToolbarItems_.insert(std::pair<QToolBar*,QGraphicsProxyWidget*>(_tool,item));
215
        } else {
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
          // Widget has already been added once, so just show it
          ret->second->show();
        }
      } else {

        // Try to find toolbar in local map
        // If its in there, we need to remove it from the graphics scene before adding it
        // to the side toolbar.
        PickToolBarMap::iterator ret = curPickingToolbarItems_.find(_tool);
        if(ret != curPickingToolbarItems_.end()) {

          glScene_->removeItem(ret->second);
          ret->first->setParent(0);

          // remove from list of widgets in glScene
          curPickingToolbarItems_.erase(ret);
232
        }
233
234
235

        pickToolBarExternal_ = _tool;

236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
        // Check whether this toolbar has been displayed before
        if(registeredToolbars_.count(_tool) == 0) {

          /*
           * This code makes sure that the orientation and size
           * of a toolbar is only set once (the first time it is added).
           * In some cases, the user wants to move the toolbar somewhere
           * else and thus this check makes sure that it does not
           * loose its position and orientation after a pickmode change.
           */

          // Adjust its size and orientation
          pickToolBarExternal_->setOrientation(Qt::Vertical);
          pickToolBarExternal_->adjustSize();

          addToolBar(Qt::LeftToolBarArea,_tool);

          // Add to registered toolbars
          registeredToolbars_.insert(_tool);
        }

257
258
        _tool->show();
      }
259
260
261
262
263
264
265
266
267
    } else {
        hidePickToolBar();
    }
}

//-----------------------------------------------------------------------------

void CoreWidget::hidePickToolBar() {

268
269
270
271
272
273
274
275
276
  // Hide all picking toolbars
  for(PickToolBarMap::iterator it = curPickingToolbarItems_.begin();
      it != curPickingToolbarItems_.end(); ++it) {
    it->second->hide();
  }

  // if a toolbar is in the global scene, we remove it here.
  if ( pickToolBarExternal_ != 0 ) {
    pickToolBarExternal_->hide();
277
    pickToolBarExternal_ = NULL;
278
279
280
281
282
  }




283
284
285
286
}

//-----------------------------------------------------------------------------

287
288
void CoreWidget::updatePickMenu()
{
289
290
291
292
293
294
295
  if (pickMenu_ != 0) {
    pickMenu_->clear();
  } else {
    pickMenu_ = new QMenu( 0 );
    connect( pickMenu_, SIGNAL( aboutToHide() ),
         this, SLOT( hidePopupMenus() ) );
  }
296
297
298
299
300

  QActionGroup * ag = new QActionGroup( pickMenu_ );
  ag->setExclusive( true );

  for (unsigned int i=0; i<pick_modes_.size(); ++i) {
301
    if ( !pick_modes_[i].visible() )
302
303
      continue;

304
    if (pick_modes_[i].name() == "Separator")
305
306
307
308
309
310
    {
      if ((i > 0) && (i<pick_modes_.size()-1)) // not first, not last
        pickMenu_->addSeparator();
    }
    else
    {
311
      QAction* ac = new QAction( pick_modes_[i].name().c_str(), ag );
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
      ac->setData( QVariant( i ) );
      ac->setCheckable( true );

      if ((int)i == pick_mode_idx_)
        ac->setChecked( true );

      pickMenu_->addAction( ac );
    }
  }

  connect( ag, SIGNAL( triggered( QAction * ) ),
     this, SLOT( actionPickMenu( QAction * ) ));
}

//-----------------------------------------------------------------------------


void CoreWidget::actionPickMenu( QAction * _action )
{
  int _id = _action->data().toInt();
  if (_id < (int) pick_modes_.size() )
  {
    pickMode( _id );
  }

  setPickingMode();

  hidePopupMenus();
}

//-----------------------------------------------------------------------------


void CoreWidget::hidePopupMenus()
{

  if ( pickMenu_ )
  {
    pickMenu_->blockSignals(true);
    pickMenu_->hide();
    pickMenu_->blockSignals(false);
  }
}

//-----------------------------------------------------------------------------


void CoreWidget::pickMode( int _id )
{
  if (_id < (int) pick_modes_.size() )
  {
    pick_mode_idx_  = _id;
364
    pick_mode_name_ = pick_modes_[pick_mode_idx_].name();
365

366
    if (pick_modes_[pick_mode_idx_].toolbar() )
367
      setActivePickToolBar(pick_modes_[pick_mode_idx_].toolbar());
368
    else
369
      hidePickToolBar();
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
370

371
372
373
    // adjust mouse tracking
    if ( pickingMode() )
      for ( unsigned int i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
374
        examiner_widgets_[i]->trackMouse(pick_modes_[pick_mode_idx_].tracking() );
375
376
377

    // adjust Cursor
    if ( pickingMode() )
378
        cursorPainter_->setCursor( pick_modes_[pick_mode_idx_].cursor() );
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412

    // emit signal
    emit(signalPickModeChanged(pick_mode_name_));
  }
}


//-----------------------------------------------------------------------------


void CoreWidget::addPickMode(const std::string& _name,
                               bool _tracking,
                               int  _pos,
                               bool _visible,
                               QCursor _cursor)
{

  if ((unsigned int)_pos < pick_modes_.size())
  {
    std::vector<PickMode>::iterator it = pick_modes_.begin();
    it += _pos+1;
    pick_modes_.insert(it, PickMode(_name, _tracking, _visible, _cursor));
  }
  else
    pick_modes_.push_back(PickMode(_name, _tracking, _visible, _cursor));

  updatePickMenu();
}

//-----------------------------------------------------------------------------

void CoreWidget::setPickModeCursor(const std::string& _name, QCursor _cursor)
{
  for (uint i=0; i < pick_modes_.size(); i++)
413
    if ( pick_modes_[i].name() == _name ){
414
      pick_modes_[i].cursor( _cursor );
415
416
417

      //switch cursor if pickMode is active
      if (pick_mode_name_ == _name && pickingMode() )
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
418
          cursorPainter_->setCursor(_cursor);
419
420
421
422
423
424
425
426
427
      break;
    }
}

//-----------------------------------------------------------------------------

void CoreWidget::setPickModeMouseTracking(const std::string& _name, bool _mouseTracking)
{
  for (uint i=0; i < pick_modes_.size(); i++)
428
429
430
    if ( pick_modes_[i].name() == _name ){

      pick_modes_[i].tracking(_mouseTracking );
431
432
433
434
435
436
437
438
439
440
441

      //switch cursor if pickMode is active
      if (pick_mode_name_ == _name && pickingMode() )
        for ( unsigned int i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
          examiner_widgets_[i]->trackMouse(_mouseTracking);
      break;
    }
}

//-----------------------------------------------------------------------------

Jan Möbius's avatar
Jan Möbius committed
442
void CoreWidget::setPickModeToolbar( const std::string& _mode , QToolBar * _toolbar )
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
443
{
444
  // Get the pickmode that belongs to the given name
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
445
  for (uint i=0; i < pick_modes_.size(); i++)
446
    if ( pick_modes_[i].name() == _mode ){
447
448

      // Set the new toolbar for that mode
449
      pick_modes_[i].toolbar( _toolbar );
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
450

451
      // Activate the toolbar if this mode is currently active
452
      if (pick_mode_name_ == _mode && pickingMode() )
453
        setActivePickToolBar(_toolbar);
454

Jan Möbius's avatar
Dennis:    
Jan Möbius committed
455
456
457
458
459
460
      break;
    }
}

//-----------------------------------------------------------------------------

Jan Möbius's avatar
Jan Möbius committed
461
void CoreWidget::removePickModeToolbar( const std::string& _mode )
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
462
463
{
  for (uint i=0; i < pick_modes_.size(); i++)
464
465
466
    if ( pick_modes_[i].name() == _mode ){

      pick_modes_[i].toolbar(0);
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
467
468

      if (pick_mode_name_ == _mode && pickingMode() )
469
        hidePickToolBar();
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
470
471
472
473
474
      break;
    }
}

//-----------------------------------------------------------------------------
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494

void CoreWidget::clearPickModes()
{
  pick_modes_.clear();
  pick_mode_idx_  = -1;
  pick_mode_name_ = "";
  updatePickMenu();
}


//-----------------------------------------------------------------------------


const std::string& CoreWidget::pickMode() const
{
  return pick_mode_name_;
}