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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#if !defined(DISABLE_DEFAULT_EVENTMANAGER)
#define BACKEND_EVENTS_SWITCH_H
#include "backends/events/sdl/sdl-events.h"
#define SCE_TOUCH_PORT_MAX_NUM 1
#define TOUCHSCREEN_WIDTH 1280
#define TOUCHSCREEN_HEIGHT 720
/**
* SDL Events manager for the SWITCH.
*/
class SwitchEventSource : public SdlEventSource {
public:
SwitchEventSource();
bool pollEvent(Common::Event &event) override;
protected:
void preprocessEvents(SDL_Event *event) override;
private:
enum {
MAX_NUM_FINGERS = 3, // number of fingers to track per panel
MAX_TAP_TIME = 250, // taps longer than this will not result in mouse click events
MAX_TAP_MOTION_DISTANCE = 10, // max distance finger motion in Vita screen pixels to be considered a tap
SIMULATED_CLICK_DURATION = 50, // time in ms how long simulated mouse clicks should be
MULTIPLIER = 16 // multiplier for sub-pixel resolution
};
typedef struct {
int id; // -1: no touch
uint32 timeLastDown;
int lastX; // last known screen coordinates
int lastY; // last known screen coordinates
float lastDownX; // SDL touch coordinates when last pressed down
float lastDownY; // SDL touch coordinates when last pressed down
} Touch;
Touch _finger[SCE_TOUCH_PORT_MAX_NUM][MAX_NUM_FINGERS]; // keep track of finger status
typedef enum DraggingType {
DRAG_NONE = 0,
DRAG_TWO_FINGER,
DRAG_THREE_FINGER,
} DraggingType;
DraggingType _multiFingerDragging[SCE_TOUCH_PORT_MAX_NUM]; // keep track whether we are currently drag-and-dropping
unsigned int _simulatedClickStartTime[SCE_TOUCH_PORT_MAX_NUM][2]; // initiation time of last simulated left or right click (zero if no click)
void preprocessFingerDown(SDL_Event *event);
void preprocessFingerUp(SDL_Event *event);
void preprocessFingerMotion(SDL_Event *event);
void convertTouchXYToGameXY(float touchX, float touchY, int *gameX, int *gameY);
void finishSimulatedMouseClicks(void);
};
#endif /* BACKEND_EVENTS_SWITCH_H */
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