1 // -*- Mode: C++; tab-width:2; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 // vi:tw=80:et:ts=2:sts=2 3 // 4 // ----------------------------------------------------------------------- 5 // 6 // This file is part of RLVM, a RealLive virtual machine clone. 7 // 8 // ----------------------------------------------------------------------- 9 // 10 // Copyright (C) 2006 Elliot Glaysher 11 // 12 // This program is free software; you can redistribute it and/or modify 13 // it under the terms of the GNU General Public License as published by 14 // the Free Software Foundation; either version 3 of the License, or 15 // (at your option) any later version. 16 // 17 // This program is distributed in the hope that it will be useful, 18 // but WITHOUT ANY WARRANTY; without even the implied warranty of 19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 // GNU General Public License for more details. 21 // 22 // You should have received a copy of the GNU General Public License 23 // along with this program; if not, write to the Free Software 24 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. 25 // 26 // ----------------------------------------------------------------------- 27 28 #ifndef SRC_SYSTEMS_SDL_SDL_EVENT_SYSTEM_H_ 29 #define SRC_SYSTEMS_SDL_SDL_EVENT_SYSTEM_H_ 30 31 #include <SDL/SDL_events.h> 32 33 #include "systems/base/event_system.h" 34 #include "systems/base/rect.h" 35 36 class SDLSystem; 37 38 // Hack to ferry SDL_Events over to something like Guichan which wants to take 39 // control of the input. 40 class RawSDLInputHandler { 41 public: ~RawSDLInputHandler()42 virtual ~RawSDLInputHandler() {} 43 44 virtual void pushInput(SDL_Event event) = 0; 45 }; 46 47 class SDLEventSystem : public EventSystem { 48 public: 49 SDLEventSystem(SDLSystem& sys, Gameexe& gexe); 50 51 // We provide this accessor to let the Graphics system query what 52 // to do when redrawing the mouse. mouse_inside_window()53 bool mouse_inside_window() const { return mouse_inside_window_; } 54 set_raw_sdl_input_handler(RawSDLInputHandler * handler)55 void set_raw_sdl_input_handler(RawSDLInputHandler* handler) { 56 raw_handler_ = handler; 57 } 58 59 // Implementation of EventSystem: 60 virtual void ExecuteEventSystem(RLMachine& machine) override; 61 virtual unsigned int GetTicks() const override; 62 virtual void Wait(unsigned int milliseconds) const override; 63 virtual bool ShiftPressed() const override; 64 virtual bool CtrlPressed() const override; 65 virtual Point GetCursorPos() override; 66 virtual void GetCursorPos(Point& position, 67 int& button1, 68 int& button2) override; 69 virtual void FlushMouseClicks() override; 70 virtual unsigned int TimeOfLastMouseMove() override; 71 virtual void InjectMouseMovement(RLMachine& machine, 72 const Point& loc) override; 73 virtual void InjectMouseDown(RLMachine& machine) override; 74 virtual void InjectMouseUp(RLMachine& machine) override; 75 76 private: 77 // Called from GetCursorPos() functions to force a pause if it's been less 78 // than 10ms since the last GetCursorPos() call. 79 void PreventCursorPosSpinning(); 80 81 // RealLive event system commands 82 void HandleKeyDown(RLMachine& machine, SDL_Event& event); 83 void HandleKeyUp(RLMachine& machine, SDL_Event& event); 84 void HandleMouseMotion(RLMachine& machine, SDL_Event& event); 85 void HandleMouseButtonEvent(RLMachine& machine, SDL_Event& event); 86 void HandleActiveEvent(RLMachine& machine, SDL_Event& event); 87 88 bool shift_pressed_, ctrl_pressed_; 89 90 // Whether the mouse cursor is currently inside the window bounds. 91 bool mouse_inside_window_; 92 93 Point mouse_pos_; 94 95 int button1_state_, button2_state_; 96 97 // The last time a GetCursorPos() function was called. 98 unsigned int last_get_currsor_time_; 99 100 // The last time we received a mouse move notification. 101 unsigned int last_mouse_move_time_; 102 103 // Our owning system. 104 SDLSystem& system_; 105 106 // Handles raw SDL events when appropriate. (Used for things like Guichan, 107 // etc who want to suck raw SDL events). 108 RawSDLInputHandler* raw_handler_; 109 }; 110 111 #endif // SRC_SYSTEMS_SDL_SDL_EVENT_SYSTEM_H_ 112