mirror of
https://github.com/libretro/scummvm.git
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ae0609ae51
From upstream 8c456d2e4b3c9e24f883522b59b4c73d422e4c28 Not sure if this will actually do so, since there may be other places in the ScummVM event handler where event polling may be done.
154 lines
3.5 KiB
C++
154 lines
3.5 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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#ifndef AGS_EVENTS_H
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#define AGS_EVENTS_H
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#include "shared/ac/keycode.h"
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#include "common/array.h"
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#include "common/queue.h"
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#include "common/events.h"
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namespace AGS {
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class EventsManager {
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private:
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Common::Queue<Common::Event> _pendingEvents;
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Common::Queue<Common::Event> _keyEvents;
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Common::Array<bool> _keys;
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Common::Point _mousePos;
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int16 _joystickAxis[32];
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bool _joystickButton[32];
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byte _keyModifierFlags = 0;
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bool isModifierKey(const Common::KeyCode &keycode) const;
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bool isExtendedKey(const Common::KeyCode &keycode) const;
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void updateKeys(const Common::Event &event, bool isDown);
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public:
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/**
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* Converts ags key to ScummVM scancode
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*/
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static bool ags_key_to_scancode(AGS3::eAGSKeyCode key, Common::KeyCode(&kc)[3]);
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/*
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* Converts a ScummVM event to the ags keycode
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*/
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static AGS3::eAGSKeyCode scummvm_key_to_ags_key(const Common::Event &event, int &ags_mod, bool old_keyhandle);
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public:
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EventsManager();
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~EventsManager();
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/**
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* Poll any pending events
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*/
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void pollEvents();
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/**
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* Returns true if any unprocessed keyboard events are pending
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*/
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bool keyEventPending() const {
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return !_keyEvents.empty();
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}
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/**
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* Returns the next pending unprocessed keyboard event
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*/
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Common::Event getPendingKeyEvent() {
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return _keyEvents.pop();
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}
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/**
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* Returns the bitset of currently pressed modifier keys
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*/
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uint getModifierFlags() const {
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return _keyModifierFlags;
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}
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/**
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* Pushes a keydown event into the keypresses queue,
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* without updating the key down flag array
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*/
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void pushKeyboardEvent(const Common::Event &evt) {
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_keyEvents.push(evt);
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}
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/**
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* Returns the next event, if any
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*/
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Common::Event readEvent();
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/**
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* Sets the mouse position
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*/
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void warpMouse(const Common::Point &newPos);
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/**
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* Returns true if a given key is pressed
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*/
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bool isKeyPressed(AGS3::eAGSKeyCode key, bool poll = true);
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void clearEvents() {
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_pendingEvents.clear();
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_keyEvents.clear();
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}
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/**
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* Get the current mouse position
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*/
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Common::Point getMousePos() const {
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return _mousePos;
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}
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/**
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* Gets a joystick axis position
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*/
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int16 getJoystickAxis(byte axis) const {
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assert(axis < 32);
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return _joystickAxis[axis];
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}
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/**
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* Gets whether a given joystick button is down
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*/
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bool getJoystickButton(byte button) const {
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assert(button < 32);
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return _joystickButton[button];
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}
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/**
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* Gets whether a given joystick button is down once
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*/
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bool getJoystickButtonOnce(byte button) {
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assert(button < 32);
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bool result = _joystickButton[button];
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_joystickButton[button] = false;
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return result;
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}
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};
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extern EventsManager *g_events;
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} // namespace AGS
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#endif
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