Mercurial > hg > orthanc-stone
comparison Applications/Samples/Sdl/SdlHelpers.h @ 1538:d1806b4e4839
moving OrthancStone/Samples/ as Applications/Samples/
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 11 Aug 2020 13:24:38 +0200 |
parents | OrthancStone/Samples/Sdl/SdlHelpers.h@244ad1e4e76a |
children | 6e0da8370270 |
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1537:de8cf5859e84 | 1538:d1806b4e4839 |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 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 #if ORTHANC_ENABLE_SDL != 1 | |
25 # error This file cannot be used if ORTHANC_ENABLE_SDL != 1 | |
26 #endif | |
27 | |
28 #include "../../Sources/Viewport/SdlViewport.h" | |
29 | |
30 #include <boost/shared_ptr.hpp> | |
31 | |
32 #include <SDL.h> | |
33 | |
34 #include <map> | |
35 #include <string> | |
36 | |
37 namespace OrthancStoneHelpers | |
38 { | |
39 | |
40 inline OrthancStone::KeyboardModifiers GetKeyboardModifiers(const uint8_t* keyboardState, | |
41 const int scancodeCount) | |
42 { | |
43 using namespace OrthancStone; | |
44 int result = KeyboardModifiers_None; | |
45 | |
46 if (keyboardState != NULL) | |
47 { | |
48 if (SDL_SCANCODE_LSHIFT < scancodeCount && | |
49 keyboardState[SDL_SCANCODE_LSHIFT]) | |
50 { | |
51 result |= KeyboardModifiers_Shift; | |
52 } | |
53 | |
54 if (SDL_SCANCODE_RSHIFT < scancodeCount && | |
55 keyboardState[SDL_SCANCODE_RSHIFT]) | |
56 { | |
57 result |= KeyboardModifiers_Shift; | |
58 } | |
59 | |
60 if (SDL_SCANCODE_LCTRL < scancodeCount && | |
61 keyboardState[SDL_SCANCODE_LCTRL]) | |
62 { | |
63 result |= KeyboardModifiers_Control; | |
64 } | |
65 | |
66 if (SDL_SCANCODE_RCTRL < scancodeCount && | |
67 keyboardState[SDL_SCANCODE_RCTRL]) | |
68 { | |
69 result |= KeyboardModifiers_Control; | |
70 } | |
71 | |
72 if (SDL_SCANCODE_LALT < scancodeCount && | |
73 keyboardState[SDL_SCANCODE_LALT]) | |
74 { | |
75 result |= KeyboardModifiers_Alt; | |
76 } | |
77 | |
78 if (SDL_SCANCODE_RALT < scancodeCount && | |
79 keyboardState[SDL_SCANCODE_RALT]) | |
80 { | |
81 result |= KeyboardModifiers_Alt; | |
82 } | |
83 } | |
84 | |
85 return static_cast<KeyboardModifiers>(result); | |
86 } | |
87 | |
88 | |
89 inline void GetPointerEvent(OrthancStone::PointerEvent& p, | |
90 const OrthancStone::ICompositor& compositor, | |
91 SDL_Event event, | |
92 const uint8_t* keyboardState, | |
93 const int scancodeCount) | |
94 { | |
95 using namespace OrthancStone; | |
96 KeyboardModifiers modifiers = GetKeyboardModifiers(keyboardState, scancodeCount); | |
97 | |
98 switch (event.button.button) | |
99 { | |
100 case SDL_BUTTON_LEFT: | |
101 p.SetMouseButton(OrthancStone::MouseButton_Left); | |
102 break; | |
103 | |
104 case SDL_BUTTON_RIGHT: | |
105 p.SetMouseButton(OrthancStone::MouseButton_Right); | |
106 break; | |
107 | |
108 case SDL_BUTTON_MIDDLE: | |
109 p.SetMouseButton(OrthancStone::MouseButton_Middle); | |
110 break; | |
111 | |
112 default: | |
113 p.SetMouseButton(OrthancStone::MouseButton_None); | |
114 break; | |
115 } | |
116 | |
117 p.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); | |
118 p.SetAltModifier( (modifiers & KeyboardModifiers_Alt) != 0); | |
119 p.SetControlModifier( (modifiers & KeyboardModifiers_Control) != 0); | |
120 p.SetShiftModifier( (modifiers & KeyboardModifiers_Shift) != 0); | |
121 } | |
122 | |
123 | |
124 inline boost::shared_ptr<OrthancStone::SdlViewport> GetSdlViewportFromWindowId( | |
125 const std::vector<boost::shared_ptr<OrthancStone::SdlViewport> >& viewports, | |
126 Uint32 windowID) | |
127 { | |
128 using namespace OrthancStone; | |
129 for (size_t i = 0; i < viewports.size(); ++i) | |
130 { | |
131 boost::shared_ptr<IViewport> viewport = viewports[i]; | |
132 boost::shared_ptr<SdlViewport> sdlViewport = boost::dynamic_pointer_cast<SdlViewport>(viewport); | |
133 Uint32 curWindowID = sdlViewport->GetSdlWindowId(); | |
134 if (windowID == curWindowID) | |
135 return sdlViewport; | |
136 } | |
137 | |
138 return boost::shared_ptr<OrthancStone::SdlViewport>(); | |
139 } | |
140 } | |
141 | |
142 |