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78 lines
2.8 KiB
C++
78 lines
2.8 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#if !defined(DISABLE_DEFAULT_EVENTMANAGER)
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#define BACKEND_EVENTS_PSP2_H
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#include "backends/events/sdl/sdl-events.h"
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#include <psp2/touch.h>
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/**
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* SDL Events manager for the PSP2.
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*/
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class PSP2EventSource : public SdlEventSource {
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public:
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PSP2EventSource();
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bool pollEvent(Common::Event &event) override;
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protected:
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void preprocessEvents(SDL_Event *event) override;
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private:
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enum {
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MAX_NUM_FINGERS = 3, // number of fingers to track per panel
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MAX_TAP_TIME = 250, // taps longer than this will not result in mouse click events
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MAX_TAP_MOTION_DISTANCE = 10, // max distance finger motion in Vita screen pixels to be considered a tap
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SIMULATED_CLICK_DURATION = 50, // time in ms how long simulated mouse clicks should be
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MULTIPLIER = 16 // multiplier for sub-pixel resolution
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};
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typedef struct {
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int id; // -1: no touch
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Uint32 timeLastDown;
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int lastX; // last known screen coordinates
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int lastY; // last known screen coordinates
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float lastDownX; // SDL touch coordinates when last pressed down
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float lastDownY; // SDL touch coordinates when last pressed down
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} Touch;
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Touch _finger[SCE_TOUCH_PORT_MAX_NUM][MAX_NUM_FINGERS]; // keep track of finger status
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typedef enum DraggingType {
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DRAG_NONE = 0,
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DRAG_TWO_FINGER,
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DRAG_THREE_FINGER,
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} DraggingType;
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DraggingType _multiFingerDragging[SCE_TOUCH_PORT_MAX_NUM]; // keep track whether we are currently drag-and-dropping
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unsigned int _simulatedClickStartTime[SCE_TOUCH_PORT_MAX_NUM][2]; // initiation time of last simulated left or right click (zero if no click)
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int _hiresDX; // keep track of slow, sub-pixel, finger motion across multiple frames
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int _hiresDY;
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void preprocessFingerDown(SDL_Event *event);
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void preprocessFingerUp(SDL_Event *event);
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void preprocessFingerMotion(SDL_Event *event);
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void convertTouchXYToGameXY(float touchX, float touchY, int *gameX, int *gameY);
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void finishSimulatedMouseClicks(void);
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};
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#endif /* BACKEND_EVENTS_PSP2_H */
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