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Diffstat (limited to 'platform/android/android_input_handler.h')
| -rw-r--r-- | platform/android/android_input_handler.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/platform/android/android_input_handler.h b/platform/android/android_input_handler.h new file mode 100644 index 0000000000..4da8a910c0 --- /dev/null +++ b/platform/android/android_input_handler.h @@ -0,0 +1,103 @@ +/*************************************************************************/ +/* android_input_handler.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef ANDROID_INPUT_HANDLER_H +#define ANDROID_INPUT_HANDLER_H + +#include "core/input/input.h" + +// This class encapsulates all the handling of input events that come from the Android UI thread. +// Remarks: +// - It's not thread-safe by itself, so its functions must only be called on a single thread, which is the Android UI thread. +// - Its functions must only call thread-safe methods. +class AndroidInputHandler { +public: + struct TouchPos { + int id = 0; + Point2 pos; + }; + + struct MouseEventInfo { + bool valid = false; + Point2 pos; + }; + + enum { + JOY_EVENT_BUTTON = 0, + JOY_EVENT_AXIS = 1, + JOY_EVENT_HAT = 2 + }; + + struct JoypadEvent { + int device = 0; + int type = 0; + int index = 0; // Can be either JoyAxis or JoyButton. + bool pressed = false; + float value = 0; + HatMask hat = HatMask::CENTER; + }; + +private: + bool alt_mem = false; + bool shift_mem = false; + bool control_mem = false; + bool meta_mem = false; + + MouseButton buttons_state = MouseButton::NONE; + + Vector<TouchPos> touch; + MouseEventInfo mouse_event_info; + Point2 hover_prev_pos; // needed to calculate the relative position on hover events + + void _set_key_modifier_state(Ref<InputEventWithModifiers> ev); + + static MouseButton _button_index_from_mask(MouseButton button_mask); + static MouseButton _android_button_mask_to_godot_button_mask(int android_button_mask); + + void _wheel_button_click(MouseButton event_buttons_mask, const Ref<InputEventMouseButton> &ev, MouseButton wheel_button, float factor); + + void _parse_mouse_event_info(MouseButton event_buttons_mask, bool p_pressed, bool p_double_click, bool p_source_mouse_relative); + + void _release_mouse_event_info(bool p_source_mouse_relative = false); + + void _parse_all_touch(bool p_pressed, bool p_double_tap); + + void _release_all_touch(); + +public: + void process_mouse_event(int p_event_action, int p_event_android_buttons_mask, Point2 p_event_pos, Vector2 p_delta, bool p_double_click, bool p_source_mouse_relative); + void process_touch_event(int p_event, int p_pointer, const Vector<TouchPos> &p_points, bool p_double_tap); + void process_magnify(Point2 p_pos, float p_factor); + void process_pan(Point2 p_pos, Vector2 p_delta); + void process_joy_event(JoypadEvent p_event); + void process_key_event(int p_keycode, int p_physical_keycode, int p_unicode, bool p_pressed); +}; + +#endif // ANDROID_INPUT_HANDLER_H |