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comparison Framework/Widgets/PanMouseTracker.h @ 332:50e5ec1bdd46 am-2

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separating ZoomMouseTracker and PanMouseTracker from WorldSceneWidget
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 17 Oct 2018 19:38:39 +0200
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children b70e9be013e4
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331:7ccf919faff0 332:50e5ec1bdd46
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 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 "WorldSceneWidget.h"
25
26 namespace OrthancStone
27 {
28 class PanMouseTracker : public IWorldSceneMouseTracker
29 {
30 private:
31 WorldSceneWidget& that_;
32 double originalPanX_;
33 double originalPanY_;
34 double downX_;
35 double downY_;
36
37 public:
38 PanMouseTracker(WorldSceneWidget& that,
39 int x,
40 int y);
41
42 virtual bool HasRender() const
43 {
44 return false;
45 }
46
47 virtual void MouseUp()
48 {
49 }
50
51 virtual void Render(CairoContext& context,
52 double zoom);
53
54 virtual void MouseMove(int displayX,
55 int displayY,
56 double x,
57 double y);
58 };
59 }