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/*
* The ManaPlus Client
* Copyright (C) 2013-2019 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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 2 of the License, or
* 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/>.
*/
#include "input/touch/multitouchmanager.h"
#ifdef USE_SDL2
#include "render/graphics.h"
#include "gui/sdlinput.h"
#endif // USE_SDL2
#include "debug.h"
MultiTouchManager multiTouchManager;
MultiTouchManager::MultiTouchManager() :
mEvents()
{
}
MultiTouchManager::~MultiTouchManager()
{
}
void MultiTouchManager::init()
{
}
#ifdef USE_SDL2
void MultiTouchManager::updateFinger(const SDL_Event &event, const bool active)
{
const SDL_TouchFingerEvent &touch = event.tfinger;
MultiTouchEventsMap &device = mEvents[touch.touchId];
MultiTouchEvent &finger = device[touch.fingerId];
finger.active = active;
finger.x = touch.x;
finger.y = touch.y;
}
void MultiTouchManager::handleFingerDown(const SDL_Event &event)
{
updateFinger(event, true);
const SDL_TouchFingerEvent &touch = event.tfinger;
checkDevice(touch.touchId, touch.fingerId);
}
void MultiTouchManager::handleFingerUp(const SDL_Event &event)
{
updateFinger(event, false);
}
void MultiTouchManager::checkDevice(const long touchId,
const long fingerId)
{
if (fingerId != 1 || !guiInput)
return;
MultiTouchEventsMap &device = mEvents[touchId];
MultiTouchEvent &finger0 = device[0];
if (finger0.active)
{
MultiTouchEvent &finger1 = device[1];
if (finger1.active)
{
const int w = mainGraphics->mWidth;
const int h = mainGraphics->mHeight;
guiInput->simulateMouseClick(finger0.x * w, finger0.y * h,
MouseButton::RIGHT);
}
}
}
#endif // USE_SDL2
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