|
644
|
1 /**
|
|
|
2 * Stone of Orthanc
|
|
|
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
|
|
|
4 * Department, University Hospital of Liege, Belgium
|
|
|
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
|
|
|
6 *
|
|
|
7 * This program is free software: you can redistribute it and/or
|
|
|
8 * modify it under the terms of the GNU Affero General Public License
|
|
|
9 * as published by the Free Software Foundation, either version 3 of
|
|
|
10 * the License, or (at your option) any later version.
|
|
|
11 *
|
|
|
12 * This program is distributed in the hope that it will be useful, but
|
|
|
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
15 * Affero General Public License for more details.
|
|
|
16 *
|
|
|
17 * You should have received a copy of the GNU Affero General Public License
|
|
|
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
19 **/
|
|
|
20
|
|
|
21
|
|
|
22 #pragma once
|
|
|
23
|
|
|
24 #include <Framework/Scene2D/PointerEvent.h>
|
|
|
25 #include <boost/shared_ptr.hpp>
|
|
|
26
|
|
|
27 namespace OrthancStone
|
|
|
28 {
|
|
|
29 class IPointerTracker;
|
|
|
30 typedef boost::shared_ptr<IPointerTracker> PointerTrackerPtr;
|
|
|
31
|
|
|
32 /**
|
|
|
33 This interface represents a flexible mouse tracker that can respond to
|
|
|
34 several events and is not automatically deleted upon mouse up or when touch
|
|
|
35 interaction is suspended : for instance, a stateful tracker with a two-step
|
|
|
36 interaction like: click & drag --> mouse up --> drag --> mouse click
|
|
|
37 (for instance, for an angle measuring tracker or an ellipse tracker)
|
|
|
38 */
|
|
|
39 class IFlexiblePointerTracker : public boost::noncopyable
|
|
|
40 {
|
|
|
41 public:
|
|
|
42 virtual ~IFlexiblePointerTracker() {}
|
|
|
43
|
|
|
44 /**
|
|
|
45 This method will be repeatedly called during user interaction
|
|
|
46 */
|
|
|
47 virtual void PointerMove(const PointerEvent& event) = 0;
|
|
|
48
|
|
|
49 /**
|
|
|
50 This method will be called when a touch/pointer is removed (mouse up,
|
|
|
51 pen lift, finger removed...)
|
|
|
52 */
|
|
|
53 virtual void PointerUp(const PointerEvent& event) = 0;
|
|
|
54
|
|
|
55 /**
|
|
|
56 This method will be called when a touch/pointer is added (mouse down,
|
|
|
57 pen or finger press)
|
|
|
58 */
|
|
|
59 virtual void PointerDown(const PointerEvent& event) = 0;
|
|
|
60
|
|
|
61 /**
|
|
|
62 This method will be repeatedly called by the tracker owner (for instance,
|
|
|
63 the application) to check whether the tracker must keep on receiving
|
|
|
64 interaction or if its job is done and it should be deleted.
|
|
|
65 */
|
|
|
66 virtual bool IsActive() const = 0;
|
|
|
67
|
|
|
68 /**
|
|
|
69 This will be called if the tracker needs to be dismissed without committing
|
|
|
70 its changes to the underlying model. If the model has been modified during
|
|
|
71 tracker lifetime, it must be restored to its initial value
|
|
|
72 */
|
|
|
73 virtual void Cancel() = 0;
|
|
|
74 };
|
|
|
75
|
|
|
76 typedef boost::shared_ptr<IFlexiblePointerTracker> FlexiblePointerTrackerPtr;
|
|
|
77
|
|
|
78 /**
|
|
|
79 This factory adopts the supplied simple tracker and creates a flexible
|
|
|
80 tracker wrapper around it.
|
|
|
81 */
|
|
|
82 FlexiblePointerTrackerPtr CreateSimpleTrackerAdapter(PointerTrackerPtr);
|
|
|
83 }
|
|
|
84
|
