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resvm-sdl-events.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef BACKEND_EVENTS_RESVM_SDL
00024 #define BACKEND_EVENTS_RESVM_SDL
00025 
00026 #include "backends/events/sdl/sdl-events.h"
00027 
00028 // multiplier used to increase resolution for keyboard/joystick mouse
00029 #define MULTIPLIER 16
00030 
00034 class ResVmSdlEventSource : public SdlEventSource {
00035 public:
00036     ResVmSdlEventSource();
00037 
00041     void resetKeyboardEmulation(int16 x_max, int16 y_max);
00042 
00043 protected:
00044     struct KbdMouse {
00045         int32 x, y;
00046         int16 x_vel, y_vel, x_max, y_max, x_down_count, y_down_count, joy_x, joy_y;
00047         uint32 last_time, delay_time, x_down_time, y_down_time;
00048         bool modifier;
00049     };
00050     KbdMouse _km;
00051 
00052     bool pollEvent(Common::Event &event) override;
00053     void updateKbdMouse();
00054 
00055     bool handleMouseMotion(SDL_Event &ev, Common::Event &event) override;
00056     bool handleMouseButtonDown(SDL_Event &ev, Common::Event &event) override;
00057     bool handleMouseButtonUp(SDL_Event &ev, Common::Event &event) override;
00058 
00059     bool handleJoyButtonDown(SDL_Event &ev, Common::Event &event) override;
00060     bool handleJoyButtonUp(SDL_Event &ev, Common::Event &event) override;
00061     bool handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) override;
00062     bool handleKbdMouse(Common::Event &event);
00063 
00064     bool processMouseEvent(Common::Event &event, int x, int y, int relx = 0, int rely = 0) override;
00065 
00069     virtual bool handleAxisToMouseMotion(int16 xAxis, int16 yAxis);
00070 
00075     int16 computeJoystickMouseSpeedFactor() const;
00076 
00077 #if SDL_VERSION_ATLEAST(2, 0, 0)
00078     bool handleControllerButton(const SDL_Event &ev, Common::Event &event, bool buttonUp) override;
00079     bool handleControllerAxisMotion(const SDL_Event &ev, Common::Event &event) override;
00080 #endif
00081 
00082     bool shouldGenerateMouseEvents();
00083 };
00084 
00085 #endif


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