Mercurial > hg > orthanc-stone
view Applications/Samples/Sdl/SdlHelpers.h @ 1994:2f242d231a22
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 31 Oct 2022 22:21:39 +0100 |
parents | 184b0aeae1af |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #if ORTHANC_ENABLE_SDL != 1 # error This file cannot be used if ORTHANC_ENABLE_SDL != 1 #endif #include "../../../OrthancStone/Sources/Platforms/Sdl/SdlViewport.h" #include <boost/shared_ptr.hpp> #include <SDL.h> #include <map> #include <string> namespace OrthancStoneHelpers { inline OrthancStone::KeyboardModifiers GetKeyboardModifiers(const uint8_t* keyboardState, const int scancodeCount) { using namespace OrthancStone; int result = KeyboardModifiers_None; if (keyboardState != NULL) { if (SDL_SCANCODE_LSHIFT < scancodeCount && keyboardState[SDL_SCANCODE_LSHIFT]) { result |= KeyboardModifiers_Shift; } if (SDL_SCANCODE_RSHIFT < scancodeCount && keyboardState[SDL_SCANCODE_RSHIFT]) { result |= KeyboardModifiers_Shift; } if (SDL_SCANCODE_LCTRL < scancodeCount && keyboardState[SDL_SCANCODE_LCTRL]) { result |= KeyboardModifiers_Control; } if (SDL_SCANCODE_RCTRL < scancodeCount && keyboardState[SDL_SCANCODE_RCTRL]) { result |= KeyboardModifiers_Control; } if (SDL_SCANCODE_LALT < scancodeCount && keyboardState[SDL_SCANCODE_LALT]) { result |= KeyboardModifiers_Alt; } if (SDL_SCANCODE_RALT < scancodeCount && keyboardState[SDL_SCANCODE_RALT]) { result |= KeyboardModifiers_Alt; } } return static_cast<KeyboardModifiers>(result); } inline void GetPointerEvent(OrthancStone::PointerEvent& p, const OrthancStone::ICompositor& compositor, SDL_Event event, const uint8_t* keyboardState, const int scancodeCount) { using namespace OrthancStone; KeyboardModifiers modifiers = GetKeyboardModifiers(keyboardState, scancodeCount); switch (event.button.button) { case SDL_BUTTON_LEFT: p.SetMouseButton(OrthancStone::MouseButton_Left); break; case SDL_BUTTON_RIGHT: p.SetMouseButton(OrthancStone::MouseButton_Right); break; case SDL_BUTTON_MIDDLE: p.SetMouseButton(OrthancStone::MouseButton_Middle); break; default: p.SetMouseButton(OrthancStone::MouseButton_None); break; } p.AddPosition(compositor.GetPixelCenterCoordinates(event.button.x, event.button.y)); p.SetAltModifier( (modifiers & KeyboardModifiers_Alt) != 0); p.SetControlModifier( (modifiers & KeyboardModifiers_Control) != 0); p.SetShiftModifier( (modifiers & KeyboardModifiers_Shift) != 0); } inline boost::shared_ptr<OrthancStone::SdlViewport> GetSdlViewportFromWindowId( const std::vector<boost::shared_ptr<OrthancStone::SdlViewport> >& viewports, Uint32 windowID) { using namespace OrthancStone; for (size_t i = 0; i < viewports.size(); ++i) { boost::shared_ptr<IViewport> viewport = viewports[i]; boost::shared_ptr<SdlViewport> sdlViewport = boost::dynamic_pointer_cast<SdlViewport>(viewport); Uint32 curWindowID = sdlViewport->GetSdlWindowId(); if (windowID == curWindowID) return sdlViewport; } return boost::shared_ptr<OrthancStone::SdlViewport>(); } }