mirror of
https://github.com/vcmi/vcmi.git
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91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
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* InputSourceMouse.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "InputSourceMouse.h"
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#include "InputHandler.h"
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#include "../../lib/Point.h"
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#include "../gui/CGuiHandler.h"
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#include "../gui/EventDispatcher.h"
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#include "../gui/MouseButton.h"
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#include <SDL_events.h>
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void InputSourceMouse::handleEventMouseMotion(const SDL_MouseMotionEvent & motion)
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{
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Point newPosition(motion.x, motion.y);
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Point distance(-motion.xrel, -motion.yrel);
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if (mouseButtonsMask & SDL_BUTTON(SDL_BUTTON_MIDDLE))
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GH.events().dispatchGesturePanning(middleClickPosition, newPosition, distance);
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else
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GH.input().setCursorPosition(newPosition);
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mouseButtonsMask = motion.state;
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}
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void InputSourceMouse::handleEventMouseButtonDown(const SDL_MouseButtonEvent & button)
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{
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Point position(button.x, button.y);
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switch(button.button)
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{
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case SDL_BUTTON_LEFT:
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if(button.clicks > 1)
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GH.events().dispatchMouseDoubleClick(position);
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else
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GH.events().dispatchMouseLeftButtonPressed(position);
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break;
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case SDL_BUTTON_RIGHT:
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GH.events().dispatchShowPopup(position);
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break;
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case SDL_BUTTON_MIDDLE:
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middleClickPosition = position;
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GH.events().dispatchGesturePanningStarted(position);
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break;
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}
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}
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void InputSourceMouse::handleEventMouseWheel(const SDL_MouseWheelEvent & wheel)
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{
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GH.events().dispatchMouseScrolled(Point(wheel.x, wheel.y), GH.getCursorPosition());
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}
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void InputSourceMouse::handleEventMouseButtonUp(const SDL_MouseButtonEvent & button)
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{
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Point position(button.x, button.y);
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switch(button.button)
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{
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case SDL_BUTTON_LEFT:
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GH.events().dispatchMouseLeftButtonReleased(position);
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break;
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case SDL_BUTTON_RIGHT:
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GH.events().dispatchClosePopup(position);
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break;
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case SDL_BUTTON_MIDDLE:
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GH.events().dispatchGesturePanningEnded(middleClickPosition, position);
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break;
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}
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}
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bool InputSourceMouse::isMouseButtonPressed(MouseButton button) const
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{
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static_assert(static_cast<uint32_t>(MouseButton::LEFT) == SDL_BUTTON_LEFT, "mismatch between VCMI and SDL enum!");
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static_assert(static_cast<uint32_t>(MouseButton::MIDDLE) == SDL_BUTTON_MIDDLE, "mismatch between VCMI and SDL enum!");
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static_assert(static_cast<uint32_t>(MouseButton::RIGHT) == SDL_BUTTON_RIGHT, "mismatch between VCMI and SDL enum!");
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static_assert(static_cast<uint32_t>(MouseButton::EXTRA1) == SDL_BUTTON_X1, "mismatch between VCMI and SDL enum!");
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static_assert(static_cast<uint32_t>(MouseButton::EXTRA2) == SDL_BUTTON_X2, "mismatch between VCMI and SDL enum!");
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uint32_t index = static_cast<uint32_t>(button);
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return mouseButtonsMask & SDL_BUTTON(index);
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}
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