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254
backends/events/sdl/sdl-common-events.cpp
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254
backends/events/sdl/sdl-common-events.cpp
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/* 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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#include "common/scummsys.h"
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#if defined(SDL_BACKEND)
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#include "backends/events/sdl/sdl-events.h"
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#include "backends/platform/sdl/sdl.h"
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#include "backends/graphics/graphics.h"
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#include "common/config-manager.h"
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#include "common/textconsole.h"
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#include "common/fs.h"
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#include "engines/engine.h"
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#include "gui/gui-manager.h"
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SdlEventSource::~SdlEventSource() {
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closeJoystick();
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}
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bool SdlEventSource::processMouseEvent(Common::Event &event, int x, int y, int relx, int rely) {
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_mouseX = x;
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_mouseY = y;
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event.mouse.x = x;
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event.mouse.y = y;
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event.relMouse.x = relx;
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event.relMouse.y = rely;
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if (_graphicsManager) {
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return _graphicsManager->notifyMousePosition(event.mouse);
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}
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return true;
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}
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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Common::Point SdlEventSource::getTouchscreenSize() {
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int windowWidth, windowHeight;
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SDL_GetWindowSize((dynamic_cast<SdlGraphicsManager*>(_graphicsManager))->getWindow()->getSDLWindow(), &windowWidth, &windowHeight);
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return Common::Point(windowWidth, windowHeight);
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}
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bool SdlEventSource::isTouchPortTouchpadMode(SDL_TouchID port) {
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return g_system->getFeatureState(OSystem::kFeatureTouchpadMode);
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}
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bool SdlEventSource::isTouchPortActive(SDL_TouchID port) {
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return true;
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}
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void SdlEventSource::convertTouchXYToGameXY(float touchX, float touchY, int *gameX, int *gameY) {
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int windowWidth, windowHeight;
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SDL_GetWindowSize((dynamic_cast<SdlGraphicsManager*>(_graphicsManager))->getWindow()->getSDLWindow(), &windowWidth, &windowHeight);
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*gameX = windowWidth * touchX;
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*gameY = windowHeight * touchY;
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}
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#endif
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bool SdlEventSource::handleMouseMotion(SDL_Event &ev, Common::Event &event) {
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event.type = Common::EVENT_MOUSEMOVE;
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return processMouseEvent(event, ev.motion.x, ev.motion.y, ev.motion.xrel, ev.motion.yrel);
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}
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bool SdlEventSource::handleMouseButtonDown(SDL_Event &ev, Common::Event &event) {
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if (ev.button.button == SDL_BUTTON_LEFT)
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event.type = Common::EVENT_LBUTTONDOWN;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = Common::EVENT_RBUTTONDOWN;
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#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN)
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else if (ev.button.button == SDL_BUTTON_WHEELUP)
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event.type = Common::EVENT_WHEELUP;
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else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
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event.type = Common::EVENT_WHEELDOWN;
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#endif
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#if defined(SDL_BUTTON_MIDDLE)
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else if (ev.button.button == SDL_BUTTON_MIDDLE)
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event.type = Common::EVENT_MBUTTONDOWN;
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#endif
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#if defined(SDL_BUTTON_X1)
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else if (ev.button.button == SDL_BUTTON_X1)
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event.type = Common::EVENT_X1BUTTONDOWN;
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#endif
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#if defined(SDL_BUTTON_X2)
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else if (ev.button.button == SDL_BUTTON_X2)
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event.type = Common::EVENT_X2BUTTONDOWN;
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#endif
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else
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return false;
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return processMouseEvent(event, ev.button.x, ev.button.y);
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}
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bool SdlEventSource::handleMouseButtonUp(SDL_Event &ev, Common::Event &event) {
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if (ev.button.button == SDL_BUTTON_LEFT)
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event.type = Common::EVENT_LBUTTONUP;
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else if (ev.button.button == SDL_BUTTON_RIGHT)
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event.type = Common::EVENT_RBUTTONUP;
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#if defined(SDL_BUTTON_MIDDLE)
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else if (ev.button.button == SDL_BUTTON_MIDDLE)
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event.type = Common::EVENT_MBUTTONUP;
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#endif
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#if defined(SDL_BUTTON_X1)
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else if (ev.button.button == SDL_BUTTON_X1)
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event.type = Common::EVENT_X1BUTTONUP;
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#endif
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#if defined(SDL_BUTTON_X2)
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else if (ev.button.button == SDL_BUTTON_X2)
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event.type = Common::EVENT_X2BUTTONUP;
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#endif
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else
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return false;
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return processMouseEvent(event, ev.button.x, ev.button.y);
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}
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bool SdlEventSource::handleSysWMEvent(SDL_Event &ev, Common::Event &event) {
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return false;
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}
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int SdlEventSource::mapSDLJoystickButtonToOSystem(Uint8 sdlButton) {
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const Common::JoystickButton osystemButtons[] = {
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Common::JOYSTICK_BUTTON_A,
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Common::JOYSTICK_BUTTON_B,
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Common::JOYSTICK_BUTTON_X,
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Common::JOYSTICK_BUTTON_Y,
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Common::JOYSTICK_BUTTON_LEFT_SHOULDER,
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Common::JOYSTICK_BUTTON_RIGHT_SHOULDER,
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Common::JOYSTICK_BUTTON_BACK,
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Common::JOYSTICK_BUTTON_START,
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Common::JOYSTICK_BUTTON_LEFT_STICK,
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Common::JOYSTICK_BUTTON_RIGHT_STICK
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};
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if (sdlButton >= ARRAYSIZE(osystemButtons)) {
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return -1;
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}
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return osystemButtons[sdlButton];
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}
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bool SdlEventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) {
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int button = mapSDLJoystickButtonToOSystem(ev.jbutton.button);
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if (button < 0) {
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return false;
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}
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event.type = Common::EVENT_JOYBUTTON_DOWN;
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event.joystick.button = button;
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return true;
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}
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bool SdlEventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
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int button = mapSDLJoystickButtonToOSystem(ev.jbutton.button);
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if (button < 0) {
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return false;
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}
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event.type = Common::EVENT_JOYBUTTON_UP;
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event.joystick.button = button;
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return true;
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}
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bool SdlEventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
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event.type = Common::EVENT_JOYAXIS_MOTION;
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event.joystick.axis = ev.jaxis.axis;
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event.joystick.position = ev.jaxis.value;
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return true;
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}
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#define HANDLE_HAT_UP(new, old, mask, joybutton) \
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if ((old & mask) && !(new & mask)) { \
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event.joystick.button = joybutton; \
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g_system->getEventManager()->pushEvent(event); \
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}
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#define HANDLE_HAT_DOWN(new, old, mask, joybutton) \
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if ((new & mask) && !(old & mask)) { \
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event.joystick.button = joybutton; \
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g_system->getEventManager()->pushEvent(event); \
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}
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bool SdlEventSource::handleJoyHatMotion(SDL_Event &ev, Common::Event &event) {
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event.type = Common::EVENT_JOYBUTTON_UP;
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HANDLE_HAT_UP(ev.jhat.value, _lastHatPosition, SDL_HAT_UP, Common::JOYSTICK_BUTTON_DPAD_UP)
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HANDLE_HAT_UP(ev.jhat.value, _lastHatPosition, SDL_HAT_DOWN, Common::JOYSTICK_BUTTON_DPAD_DOWN)
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HANDLE_HAT_UP(ev.jhat.value, _lastHatPosition, SDL_HAT_LEFT, Common::JOYSTICK_BUTTON_DPAD_LEFT)
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HANDLE_HAT_UP(ev.jhat.value, _lastHatPosition, SDL_HAT_RIGHT, Common::JOYSTICK_BUTTON_DPAD_RIGHT)
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event.type = Common::EVENT_JOYBUTTON_DOWN;
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HANDLE_HAT_DOWN(ev.jhat.value, _lastHatPosition, SDL_HAT_UP, Common::JOYSTICK_BUTTON_DPAD_UP)
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HANDLE_HAT_DOWN(ev.jhat.value, _lastHatPosition, SDL_HAT_DOWN, Common::JOYSTICK_BUTTON_DPAD_DOWN)
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HANDLE_HAT_DOWN(ev.jhat.value, _lastHatPosition, SDL_HAT_LEFT, Common::JOYSTICK_BUTTON_DPAD_LEFT)
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HANDLE_HAT_DOWN(ev.jhat.value, _lastHatPosition, SDL_HAT_RIGHT, Common::JOYSTICK_BUTTON_DPAD_RIGHT)
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_lastHatPosition = ev.jhat.value;
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return false;
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}
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bool SdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
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return false;
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}
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void SdlEventSource::fakeWarpMouse(const int x, const int y) {
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_queuedFakeMouseMove = true;
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_fakeMouseMove.type = Common::EVENT_MOUSEMOVE;
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_fakeMouseMove.mouse = Common::Point(x, y);
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}
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void SdlEventSource::setEngineRunning(const bool value) {
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_engineRunning = value;
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}
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bool SdlEventSource::handleResizeEvent(Common::Event &event, int w, int h) {
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if (_graphicsManager) {
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_graphicsManager->notifyResize(w, h);
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// If the screen changed, send an Common::EVENT_SCREEN_CHANGED
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int screenID = g_system->getScreenChangeID();
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if (screenID != _lastScreenID) {
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_lastScreenID = screenID;
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event.type = Common::EVENT_SCREEN_CHANGED;
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return true;
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}
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}
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return false;
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}
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#endif
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