Mercurial > hg > orthanc-stone
annotate Applications/Sdl/SdlEngine.cpp @ 51:b340879da9bd
reorganization
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 14:50:20 +0200 |
| parents | Framework/Applications/Sdl/SdlEngine.cpp@28956ed68280 |
| children | c2dc924f1a63 ea377c770ef4 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 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. | |
| 0 | 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 | |
| 47 | 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 | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "SdlEngine.h" | |
| 23 | |
| 24 #if ORTHANC_ENABLE_SDL == 1 | |
| 25 | |
| 16 | 26 #include "../../../Resources/Orthanc/Core/Logging.h" |
| 0 | 27 |
| 28 #include <SDL.h> | |
| 29 | |
| 30 namespace OrthancStone | |
| 31 { | |
| 32 void SdlEngine::RenderFrame() | |
| 33 { | |
| 34 if (!viewportChanged_) | |
| 35 { | |
| 36 return; | |
| 37 } | |
| 38 | |
| 39 viewportChanged_ = false; | |
| 40 | |
| 41 if (buffering_.RenderOffscreen(viewport_)) | |
| 42 { | |
| 43 // Do not notify twice when a new frame was rendered, to avoid | |
| 44 // spoiling the SDL event queue | |
| 45 SDL_Event event; | |
| 46 SDL_memset(&event, 0, sizeof(event)); | |
| 47 event.type = refreshEvent_; | |
| 48 event.user.code = 0; | |
| 49 event.user.data1 = 0; | |
| 50 event.user.data2 = 0; | |
| 51 SDL_PushEvent(&event); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 | |
| 56 void SdlEngine::RenderThread(SdlEngine* that) | |
| 57 { | |
| 58 for (;;) | |
| 59 { | |
| 60 that->renderFrame_.Wait(); | |
| 61 | |
| 62 if (that->continue_) | |
| 63 { | |
| 64 that->RenderFrame(); | |
| 65 } | |
| 66 else | |
| 67 { | |
| 68 return; | |
| 69 } | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 | |
| 74 KeyboardModifiers SdlEngine::GetKeyboardModifiers(const uint8_t* keyboardState, | |
| 75 const int scancodeCount) | |
| 76 { | |
| 77 int result = KeyboardModifiers_None; | |
| 78 | |
| 79 if (keyboardState != NULL) | |
| 80 { | |
| 81 if (SDL_SCANCODE_LSHIFT < scancodeCount && | |
| 82 keyboardState[SDL_SCANCODE_LSHIFT]) | |
| 83 { | |
| 84 result |= KeyboardModifiers_Shift; | |
| 85 } | |
| 86 | |
| 87 if (SDL_SCANCODE_RSHIFT < scancodeCount && | |
| 88 keyboardState[SDL_SCANCODE_RSHIFT]) | |
| 89 { | |
| 90 result |= KeyboardModifiers_Shift; | |
| 91 } | |
| 92 | |
| 93 if (SDL_SCANCODE_LCTRL < scancodeCount && | |
| 94 keyboardState[SDL_SCANCODE_LCTRL]) | |
| 95 { | |
| 96 result |= KeyboardModifiers_Control; | |
| 97 } | |
| 98 | |
| 99 if (SDL_SCANCODE_RCTRL < scancodeCount && | |
| 100 keyboardState[SDL_SCANCODE_RCTRL]) | |
| 101 { | |
| 102 result |= KeyboardModifiers_Control; | |
| 103 } | |
| 104 | |
| 105 if (SDL_SCANCODE_LALT < scancodeCount && | |
| 106 keyboardState[SDL_SCANCODE_LALT]) | |
| 107 { | |
| 108 result |= KeyboardModifiers_Alt; | |
| 109 } | |
| 110 | |
| 111 if (SDL_SCANCODE_RALT < scancodeCount && | |
| 112 keyboardState[SDL_SCANCODE_RALT]) | |
| 113 { | |
| 114 result |= KeyboardModifiers_Alt; | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 return static_cast<KeyboardModifiers>(result); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void SdlEngine::SetSize(unsigned int width, | |
| 123 unsigned int height) | |
| 124 { | |
| 125 buffering_.SetSize(width, height, viewport_); | |
| 126 viewportChanged_ = true; | |
| 127 Refresh(); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 void SdlEngine::Stop() | |
| 132 { | |
| 133 if (continue_) | |
| 134 { | |
| 135 continue_ = false; | |
| 136 renderFrame_.Signal(); // Unlock the render thread | |
| 137 renderThread_.join(); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 | |
| 142 void SdlEngine::Refresh() | |
| 143 { | |
| 144 renderFrame_.Signal(); | |
| 145 } | |
| 146 | |
| 147 | |
| 148 SdlEngine::SdlEngine(SdlWindow& window, | |
| 149 IViewport& viewport) : | |
| 150 window_(window), | |
| 151 viewport_(viewport), | |
| 152 continue_(true) | |
| 153 { | |
| 154 refreshEvent_ = SDL_RegisterEvents(1); | |
| 155 | |
| 156 SetSize(window_.GetWidth(), window_.GetHeight()); | |
| 157 | |
| 158 viewport_.Register(*this); | |
| 159 | |
| 160 renderThread_ = boost::thread(RenderThread, this); | |
| 161 } | |
| 162 | |
| 163 | |
| 164 SdlEngine::~SdlEngine() | |
| 165 { | |
| 166 Stop(); | |
| 167 | |
| 168 viewport_.Unregister(*this); | |
| 169 } | |
| 170 | |
| 171 | |
| 172 void SdlEngine::Run() | |
| 173 { | |
| 174 int scancodeCount = 0; | |
| 175 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount); | |
| 176 | |
| 177 bool stop = false; | |
| 178 while (!stop) | |
| 179 { | |
| 180 Refresh(); | |
| 181 | |
| 182 SDL_Event event; | |
| 183 | |
| 184 while (SDL_PollEvent(&event)) | |
| 185 { | |
| 186 if (event.type == SDL_QUIT) | |
| 187 { | |
| 188 stop = true; | |
| 189 break; | |
| 190 } | |
| 191 else if (event.type == refreshEvent_) | |
| 192 { | |
| 193 buffering_.SwapToScreen(window_); | |
| 194 } | |
| 195 else if (event.type == SDL_MOUSEBUTTONDOWN) | |
| 196 { | |
| 197 KeyboardModifiers modifiers = GetKeyboardModifiers(keyboardState, scancodeCount); | |
| 198 | |
| 199 switch (event.button.button) | |
| 200 { | |
| 201 case SDL_BUTTON_LEFT: | |
| 202 viewport_.MouseDown(MouseButton_Left, event.button.x, event.button.y, modifiers); | |
| 203 break; | |
| 204 | |
| 205 case SDL_BUTTON_RIGHT: | |
| 206 viewport_.MouseDown(MouseButton_Right, event.button.x, event.button.y, modifiers); | |
| 207 break; | |
| 208 | |
| 209 case SDL_BUTTON_MIDDLE: | |
| 210 viewport_.MouseDown(MouseButton_Middle, event.button.x, event.button.y, modifiers); | |
| 211 break; | |
| 212 | |
| 213 default: | |
| 214 break; | |
| 215 } | |
| 216 } | |
| 217 else if (event.type == SDL_MOUSEMOTION) | |
| 218 { | |
| 219 viewport_.MouseMove(event.button.x, event.button.y); | |
| 220 } | |
| 221 else if (event.type == SDL_MOUSEBUTTONUP) | |
| 222 { | |
| 223 viewport_.MouseUp(); | |
| 224 } | |
| 225 else if (event.type == SDL_WINDOWEVENT) | |
| 226 { | |
| 227 switch (event.window.event) | |
| 228 { | |
| 229 case SDL_WINDOWEVENT_LEAVE: | |
| 230 viewport_.MouseLeave(); | |
| 231 break; | |
| 232 | |
| 233 case SDL_WINDOWEVENT_ENTER: | |
| 234 viewport_.MouseEnter(); | |
| 235 break; | |
| 236 | |
| 237 case SDL_WINDOWEVENT_SIZE_CHANGED: | |
| 238 SetSize(event.window.data1, event.window.data2); | |
| 239 break; | |
| 240 | |
| 241 default: | |
| 242 break; | |
| 243 } | |
| 244 } | |
| 245 else if (event.type == SDL_MOUSEWHEEL) | |
| 246 { | |
| 247 KeyboardModifiers modifiers = GetKeyboardModifiers(keyboardState, scancodeCount); | |
| 248 | |
| 249 int x, y; | |
| 250 SDL_GetMouseState(&x, &y); | |
| 251 | |
| 252 if (event.wheel.y > 0) | |
| 253 { | |
| 254 viewport_.MouseWheel(MouseWheelDirection_Up, x, y, modifiers); | |
| 255 } | |
| 256 else if (event.wheel.y < 0) | |
| 257 { | |
| 258 viewport_.MouseWheel(MouseWheelDirection_Down, x, y, modifiers); | |
| 259 } | |
| 260 } | |
| 261 else if (event.type == SDL_KEYDOWN) | |
| 262 { | |
| 263 KeyboardModifiers modifiers = GetKeyboardModifiers(keyboardState, scancodeCount); | |
| 264 | |
| 265 switch (event.key.keysym.sym) | |
| 266 { | |
| 267 case SDLK_a: viewport_.KeyPressed('a', modifiers); break; | |
| 268 case SDLK_b: viewport_.KeyPressed('b', modifiers); break; | |
| 269 case SDLK_c: viewport_.KeyPressed('c', modifiers); break; | |
| 270 case SDLK_d: viewport_.KeyPressed('d', modifiers); break; | |
| 271 case SDLK_e: viewport_.KeyPressed('e', modifiers); break; | |
| 272 case SDLK_f: window_.ToggleMaximize(); break; | |
| 273 case SDLK_g: viewport_.KeyPressed('g', modifiers); break; | |
| 274 case SDLK_h: viewport_.KeyPressed('h', modifiers); break; | |
| 275 case SDLK_i: viewport_.KeyPressed('i', modifiers); break; | |
| 276 case SDLK_j: viewport_.KeyPressed('j', modifiers); break; | |
| 277 case SDLK_k: viewport_.KeyPressed('k', modifiers); break; | |
| 278 case SDLK_l: viewport_.KeyPressed('l', modifiers); break; | |
| 279 case SDLK_m: viewport_.KeyPressed('m', modifiers); break; | |
| 280 case SDLK_n: viewport_.KeyPressed('n', modifiers); break; | |
| 281 case SDLK_o: viewport_.KeyPressed('o', modifiers); break; | |
| 282 case SDLK_p: viewport_.KeyPressed('p', modifiers); break; | |
| 283 case SDLK_q: stop = true; break; | |
| 284 case SDLK_r: viewport_.KeyPressed('r', modifiers); break; | |
| 285 case SDLK_s: viewport_.KeyPressed('s', modifiers); break; | |
| 286 case SDLK_t: viewport_.KeyPressed('t', modifiers); break; | |
| 287 case SDLK_u: viewport_.KeyPressed('u', modifiers); break; | |
| 288 case SDLK_v: viewport_.KeyPressed('v', modifiers); break; | |
| 289 case SDLK_w: viewport_.KeyPressed('w', modifiers); break; | |
| 290 case SDLK_x: viewport_.KeyPressed('x', modifiers); break; | |
| 291 case SDLK_y: viewport_.KeyPressed('y', modifiers); break; | |
| 292 case SDLK_z: viewport_.KeyPressed('z', modifiers); break; | |
| 293 | |
| 294 default: | |
| 295 break; | |
| 296 } | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 SDL_Delay(10); // Necessary for mouse wheel events to work | |
| 301 } | |
| 302 | |
| 303 Stop(); | |
| 304 } | |
| 305 | |
| 306 | |
| 307 void SdlEngine::GlobalInitialize() | |
| 308 { | |
| 309 SDL_Init(SDL_INIT_VIDEO); | |
| 310 } | |
| 311 | |
| 312 | |
| 313 void SdlEngine::GlobalFinalize() | |
| 314 { | |
| 315 SDL_Quit(); | |
| 316 } | |
| 317 } | |
| 318 | |
| 319 #endif |