src/SUIT/SUIT_ViewModel.cxx

   1 // Copyright (C) 2007-2020  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 // This library is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU Lesser General Public
   8 // License as published by the Free Software Foundation; either
   9 // version 2.1 of the License, or (at your option) any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // Lesser General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 // SUIT_ViewModel.cxx: implementation of the SUIT_ViewModel class.
  24 //
  25 #include "SUIT_ViewModel.h"
  26 #include "SUIT_ViewWindow.h"
  27
  28 SUIT_ViewModel::InteractionStyle2StatesMap SUIT_ViewModel::myStateMap;
  29 SUIT_ViewModel::InteractionStyle2ButtonsMap SUIT_ViewModel::myButtonMap;
  30
  31 static bool isInitialized = false;
  32
  33 /*!Constructor.*/
  34 SUIT_ViewModel::SUIT_ViewModel()
  35 {
  36   if ( !isInitialized )
  37   {
  38     isInitialized = true;
  39
  40     // standard interaction style
  41     SUIT_ViewModel::myStateMap[STANDARD][ZOOM]  = Qt::ControlModifier;
  42     SUIT_ViewModel::myButtonMap[STANDARD][ZOOM] = Qt::LeftButton;
  43
  44     SUIT_ViewModel::myStateMap[STANDARD][PAN]   = Qt::ControlModifier;
  45     SUIT_ViewModel::myButtonMap[STANDARD][PAN]  = Qt::MidButton;
  46
  47     SUIT_ViewModel::myStateMap[STANDARD][ROTATE]  = Qt::ControlModifier;
  48     SUIT_ViewModel::myButtonMap[STANDARD][ROTATE] = Qt::RightButton;
  49
  50     SUIT_ViewModel::myStateMap[STANDARD][FIT_AREA]  = Qt::ControlModifier;
  51     SUIT_ViewModel::myButtonMap[STANDARD][FIT_AREA] = Qt::RightButton;
  52
  53     // "key free" interaction style
  54     SUIT_ViewModel::myStateMap[KEY_FREE][ZOOM]  = Qt::NoModifier;
  55     SUIT_ViewModel::myButtonMap[KEY_FREE][ZOOM] = Qt::RightButton;
  56
  57     SUIT_ViewModel::myStateMap[KEY_FREE][PAN]   = Qt::NoModifier;
  58     SUIT_ViewModel::myButtonMap[KEY_FREE][PAN]  = Qt::MidButton;
  59
  60     SUIT_ViewModel::myStateMap[KEY_FREE][ROTATE]  = Qt::NoModifier;
  61     SUIT_ViewModel::myButtonMap[KEY_FREE][ROTATE] = Qt::LeftButton;
  62
  63     SUIT_ViewModel::myStateMap[KEY_FREE][FIT_AREA]  = Qt::NoModifier; // unused
  64     SUIT_ViewModel::myButtonMap[KEY_FREE][FIT_AREA] = Qt::NoButton;   // unused
  65   }
  66   myViewManager = 0;
  67 }
  68
  69 /*!Destructor..*/
  70 SUIT_ViewModel::~SUIT_ViewModel()
  71 {
  72 }
  73
  74 /*!Create new instance of view window on desktop \a theDesktop.
  75  *\retval SUIT_ViewWindow* - created view window pointer.
  76  */
  77 SUIT_ViewWindow* SUIT_ViewModel::createView(SUIT_Desktop* theDesktop)
  78 {
  79   return new SUIT_ViewWindow(theDesktop);
  80 }
  81
  82 /*!Set view manager.
  83   \param theViewManager view manager
  84  */
  85 void SUIT_ViewModel::setViewManager(SUIT_ViewManager* theViewManager)
  86 {
  87   myViewManager = theViewManager;
  88 }
  89
  90 /*!Get view manager.
  91   \return view manager
  92  */
  93 SUIT_ViewManager* SUIT_ViewModel::getViewManager() const
  94 {
  95   return myViewManager;
  96 }
  97
  98 /*! Sets hot button
  99  *\param theOper - hot operation
 100  *\param theState - adding state to state map operations.
 101  *\param theButton - adding state to button map operations.
 102  */
 103 void SUIT_ViewModel::setHotButton( InteractionStyle theInteractionStyle, HotOperation theOper,
 104                                    Qt::KeyboardModifiers theState, Qt::MouseButtons theButton )
 105 {
 106   myStateMap[theInteractionStyle][theOper]  = theState;
 107   myButtonMap[theInteractionStyle][theOper] = theButton;
 108 }
 109
 110 /*! Gets hot button for operation \a theOper.
 111  *\param theOper - input hot operation
 112  *\param theState - output state from state map operations.
 113  *\param theButton - output state from button map operations.
 114 */
 115 void SUIT_ViewModel::getHotButton( InteractionStyle theInteractionStyle, HotOperation theOper,
 116                                    Qt::KeyboardModifiers& theState, Qt::MouseButtons& theButton )
 117 {
 118   theState  = myStateMap[theInteractionStyle][theOper];
 119   theButton = myButtonMap[theInteractionStyle][theOper];
 120 }