mirror of
https://github.com/libretro/scummvm.git
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116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#if !defined(BACKEND_EVENTS_SDL_WEBOS_H) && !defined(DISABLE_DEFAULT_EVENTMANAGER)
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#define BACKEND_EVENTS_SDL_WEBOS_H
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#include "backends/events/sdl/sdl-events.h"
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/**
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* SDL events manager for WebOS
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*/
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class WebOSSdlEventSource : public SdlEventSource {
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public:
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enum {
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DOUBLETAP_LIMIT = 400,
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MAX_FINGERS = 3,
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MOUSE_DEADZONE_PIXELS = 5,
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QUEUED_DRAG_DELAY = 500,
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QUEUED_KEY_DELAY = 250,
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QUEUED_RUP_DELAY = 50,
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SWIPE_PERCENT_HORIZ = 15,
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SWIPE_PERCENT_VERT = 20
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};
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WebOSSdlEventSource() :
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_gestureDown(false),
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_dragStartTime(0), _dragging(false),
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_curX(0), _curY(0),
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_screenX(0), _screenY(0),
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_trackpadMode(false), _autoDragMode(true),
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_doClick(true),
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_queuedDragTime(0), _queuedEscapeUpTime(0), _queuedSpaceUpTime(0),
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_queuedRUpTime(0),
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_firstPoll(true) {
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for (int i = 0; i < MAX_FINGERS; i++) {
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_fingerDown[i] = false;
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_screenDownTime[i] = _dragDiffX[i] = _dragDiffY[i] = 0;
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}
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};
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protected:
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// Inidicates if gesture area is pressed down or not.
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bool _gestureDown;
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// The timestamp when screen was pressed down for each finger.
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uint32 _screenDownTime[MAX_FINGERS];
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// The timestamp when a possible drag operation was triggered.
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uint32 _dragStartTime;
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// The distance each finger traveled from touch to release.
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int _dragDiffX[MAX_FINGERS], _dragDiffY[MAX_FINGERS];
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// Indicates if we are in drag mode.
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bool _dragging;
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// The current mouse position on the screen.
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int _curX, _curY;
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// The current screen dimensions
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int _screenX, _screenY;
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// The drag distance for linear gestures
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int _swipeDistX, _swipeDistY;
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// Indicates if we're in trackpad mode or tap-to-move mode.
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bool _trackpadMode;
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// Indicates if we're in automatic drag mode.
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bool _autoDragMode;
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// Tracks which fingers are currently touching the screen.
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bool _fingerDown[MAX_FINGERS];
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// Indicates if a click should be executed when the first finger is lifted
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bool _doClick;
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// Indicates whether the event poll has been run before
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bool _firstPoll;
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// Event queues
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uint32 _queuedDragTime, _queuedEscapeUpTime, _queuedSpaceUpTime,
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_queuedRUpTime;
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// SDL overrides
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virtual void SDLModToOSystemKeyFlags(SDLMod mod, Common::Event &event);
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virtual bool handleKeyDown(SDL_Event &ev, Common::Event &event);
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virtual bool handleKeyUp(SDL_Event &ev, Common::Event &event);
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virtual bool handleMouseButtonDown(SDL_Event &ev, Common::Event &event);
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virtual bool handleMouseButtonUp(SDL_Event &ev, Common::Event &event);
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virtual bool handleMouseMotion(SDL_Event &ev, Common::Event &event);
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virtual bool pollEvent(Common::Event &event);
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// Utility functions
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void calculateDimensions();
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};
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#endif
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