mirror of
https://github.com/love2d/love.git
synced 2026-08-16 08:11:02 +02:00
Alex Szpakowski
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/**
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* Copyright (c) 2006-2015 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_TOUCH_SDL_TOUCH_H
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#define LOVE_TOUCH_SDL_TOUCH_H
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// LOVE
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#include "touch/Touch.h"
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// C++
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#include <map>
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// SDL
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#include <SDL_events.h>
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namespace love
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{
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namespace touch
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{
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namespace sdl
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{
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class Touch : public love::touch::Touch
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{
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public:
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virtual ~Touch() {}
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std::vector<int64> getIDs() const override;
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void getPosition(int64 id, double &x, double &y) const override;
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double getPressure(int64 id) const override;
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// Implements Module.
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const char *getName() const override;
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// SDL has functions to query the state of touch presses, but unfortunately
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// they are updated on a different thread in some backends, which causes
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// issues especially if the user is iterating through the current touches
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// when they're updated. So we only update our touch press state in
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// love::event::sdl::Event::convert.
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void onEvent(Uint32 eventtype, const TouchInfo &info);
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private:
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// All current touches, indexed by their IDs.
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std::map<int64, TouchInfo> touches;
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}; // Touch
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} // sdl
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} // touch
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} // love
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#endif // LOVE_TOUCH_SDL_TOUCH_H
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