Mercurial > hg > orthanc-stone

comparison Framework/Viewport/WidgetViewport.h @ 0:351ab0da0150

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
parents
children 7207a407bcd8
comparison
equal deleted inserted replaced
-1:000000000000 0:351ab0da0150
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include "IViewport.h"
36 #include "../Toolbox/ObserversRegistry.h"
37 #include "../Widgets/IWidget.h"
38
39 namespace OrthancStone
40 {
41 class WidgetViewport :
42 public IViewport,
43 public IWidget::IChangeObserver
44 {
45 private:
46 boost::mutex mutex_;
47 std::auto_ptr<IWidget> centralWidget_;
48 IStatusBar* statusBar_;
49 ObserversRegistry<IViewport> observers_;
50 std::auto_ptr<IMouseTracker> mouseTracker_;
51 bool isMouseOver_;
52 int lastMouseX_;
53 int lastMouseY_;
54 CairoSurface background_;
55 bool backgroundChanged_;
56 bool started_;
57
58 void UnregisterCentralWidget();
59
60 public:
61 WidgetViewport();
62
63 virtual ~WidgetViewport()
64 {
65 UnregisterCentralWidget();
66 }
67
68 virtual void SetStatusBar(IStatusBar& statusBar);
69
70 virtual void ResetStatusBar();
71
72 IWidget& SetCentralWidget(IWidget* widget); // Takes ownership
73
74 virtual void NotifyChange(const IWidget& widget);
75
76 virtual void Register(IViewport::IChangeObserver& observer)
77 {
78 observers_.Register(observer);
79 }
80
81 virtual void Unregister(IViewport::IChangeObserver& observer)
82 {
83 observers_.Unregister(observer);
84 }
85
86 virtual void Start();
87
88 virtual void Stop();
89
90 virtual void SetSize(unsigned int width,
91 unsigned int height);
92
93 virtual bool Render(Orthanc::ImageAccessor& surface);
94
95 virtual void MouseDown(MouseButton button,
96 int x,
97 int y,
98 KeyboardModifiers modifiers);
99
100 virtual void MouseUp();
101
102 virtual void MouseMove(int x,
103 int y);
104
105 virtual void MouseEnter();
106
107 virtual void MouseLeave();
108
109 virtual void MouseWheel(MouseWheelDirection direction,
110 int x,
111 int y,
112 KeyboardModifiers modifiers);
113
114 virtual void KeyPressed(char key,
115 KeyboardModifiers modifiers);
116 };
117 }