1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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.
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.
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
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SALOME QxGraph : build Supervisor viewer into desktop
25 #ifndef QXGRAPH_CANVASVIEW_H
26 #define QXGRAPH_CANVASVIEW_H
36 class QxGraph_ViewWindow;
37 class QxGraph_ActiveItem;
39 class QXGRAPH_EXPORT QxGraph_CanvasView : public QCanvasView {
43 enum OperationType{ NOTHING, PANVIEW, ZOOMVIEW, PANGLOBAL,
44 WINDOWFIT, FITALLVIEW, RESETVIEW };
46 QxGraph_CanvasView(QxGraph_Canvas* theCanvas, QxGraph_ViewWindow* theViewWindow);
47 virtual ~QxGraph_CanvasView();
49 QxGraph_ViewWindow* getViewWindow() const;
51 void activateFitAll();
52 void activateFitRect();
54 void activatePanning();
55 void activateGlobalPanning();
58 void itemRemoved( QCanvasItem* );
60 void setSelectedItem( QxGraph_ActiveItem* theItem );
61 QxGraph_ActiveItem* getSelectedItem() const;
64 void viewOperationDone();
68 //void changeBackground();
71 void contentsMousePressEvent(QMouseEvent* theEvent);
72 void contentsMouseMoveEvent(QMouseEvent* theEvent);
73 void contentsMouseReleaseEvent(QMouseEvent* theEvent);
74 void contentsMouseDoubleClickEvent(QMouseEvent* theEvent);
76 bool isSelectedItemInCanvas();
80 QCanvasItem* myCurrentItem;
86 // for control toolbar actions
87 OperationType myOperation;
89 QCanvasRectangle* mySelectedRect;
91 // for automatic content scrolling if mouse is outside
97 QxGraph_ActiveItem* myHilightedItem;
100 QxGraph_ActiveItem* mySelectedItem;
104 class QxGraph_ToolTip: public QToolTip {
107 QxGraph_ToolTip(QWidget* theWidget, QToolTipGroup* theGroup = 0):
108 QToolTip(theWidget, theGroup) {}
109 ~QxGraph_ToolTip() { remove(parentWidget()); }
111 virtual void maybeTip(const QPoint& theMousePos);