396 lines
13 KiB
C++
396 lines
13 KiB
C++
/*************************************************************************/
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/* android_input_handler.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "android_input_handler.h"
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#include "android_keys_utils.h"
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#include "display_server_android.h"
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void AndroidInputHandler::process_joy_event(AndroidInputHandler::JoypadEvent p_event) {
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switch (p_event.type) {
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case JOY_EVENT_BUTTON:
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Input::get_singleton()->joy_button(p_event.device, (JoyButton)p_event.index, p_event.pressed);
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break;
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case JOY_EVENT_AXIS:
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Input::JoyAxisValue value;
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value.min = -1;
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value.value = p_event.value;
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Input::get_singleton()->joy_axis(p_event.device, (JoyAxis)p_event.index, value);
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break;
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case JOY_EVENT_HAT:
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Input::get_singleton()->joy_hat(p_event.device, p_event.hat);
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break;
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default:
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return;
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}
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}
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void AndroidInputHandler::_set_key_modifier_state(Ref<InputEventWithModifiers> ev) {
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ev->set_shift_pressed(shift_mem);
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ev->set_alt_pressed(alt_mem);
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ev->set_meta_pressed(meta_mem);
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ev->set_ctrl_pressed(control_mem);
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}
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void AndroidInputHandler::process_key_event(int p_keycode, int p_scancode, int p_unicode_char, bool p_pressed) {
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static char32_t prev_wc = 0;
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char32_t unicode = p_unicode_char;
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if ((p_unicode_char & 0xfffffc00) == 0xd800) {
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if (prev_wc != 0) {
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ERR_PRINT("invalid utf16 surrogate input");
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}
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prev_wc = unicode;
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return; // Skip surrogate.
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} else if ((unicode & 0xfffffc00) == 0xdc00) {
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if (prev_wc == 0) {
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ERR_PRINT("invalid utf16 surrogate input");
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return; // Skip invalid surrogate.
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}
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unicode = (prev_wc << 10UL) + unicode - ((0xd800 << 10UL) + 0xdc00 - 0x10000);
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prev_wc = 0;
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} else {
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prev_wc = 0;
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}
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Ref<InputEventKey> ev;
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ev.instantiate();
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int val = unicode;
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Key keycode = android_get_keysym(p_keycode);
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Key phy_keycode = android_get_keysym(p_scancode);
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if (keycode == Key::SHIFT) {
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shift_mem = p_pressed;
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}
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if (keycode == Key::ALT) {
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alt_mem = p_pressed;
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}
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if (keycode == Key::CTRL) {
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control_mem = p_pressed;
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}
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if (keycode == Key::META) {
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meta_mem = p_pressed;
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}
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ev->set_keycode(keycode);
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ev->set_physical_keycode(phy_keycode);
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ev->set_unicode(val);
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ev->set_pressed(p_pressed);
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_set_key_modifier_state(ev);
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if (val == '\n') {
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ev->set_keycode(Key::ENTER);
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} else if (val == 61448) {
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ev->set_keycode(Key::BACKSPACE);
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ev->set_unicode((char32_t)Key::BACKSPACE);
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} else if (val == 61453) {
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ev->set_keycode(Key::ENTER);
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ev->set_unicode((char32_t)Key::ENTER);
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} else if (p_keycode == 4) {
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if (DisplayServerAndroid *dsa = Object::cast_to<DisplayServerAndroid>(DisplayServer::get_singleton())) {
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dsa->send_window_event(DisplayServer::WINDOW_EVENT_GO_BACK_REQUEST, true);
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}
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}
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Input::get_singleton()->parse_input_event(ev);
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}
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void AndroidInputHandler::process_touch(int p_event, int p_pointer, const Vector<AndroidInputHandler::TouchPos> &p_points) {
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switch (p_event) {
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case AMOTION_EVENT_ACTION_DOWN: { //gesture begin
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if (touch.size()) {
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//end all if exist
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for (int i = 0; i < touch.size(); i++) {
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Ref<InputEventScreenTouch> ev;
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ev.instantiate();
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ev->set_index(touch[i].id);
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ev->set_pressed(false);
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ev->set_position(touch[i].pos);
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Input::get_singleton()->parse_input_event(ev);
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}
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}
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touch.resize(p_points.size());
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for (int i = 0; i < p_points.size(); i++) {
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touch.write[i].id = p_points[i].id;
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touch.write[i].pos = p_points[i].pos;
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}
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//send touch
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for (int i = 0; i < touch.size(); i++) {
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Ref<InputEventScreenTouch> ev;
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ev.instantiate();
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ev->set_index(touch[i].id);
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ev->set_pressed(true);
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ev->set_position(touch[i].pos);
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Input::get_singleton()->parse_input_event(ev);
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}
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} break;
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case AMOTION_EVENT_ACTION_MOVE: { //motion
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ERR_FAIL_COND(touch.size() != p_points.size());
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for (int i = 0; i < touch.size(); i++) {
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int idx = -1;
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for (int j = 0; j < p_points.size(); j++) {
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if (touch[i].id == p_points[j].id) {
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idx = j;
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break;
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}
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}
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ERR_CONTINUE(idx == -1);
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if (touch[i].pos == p_points[idx].pos)
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continue; //no move unncesearily
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Ref<InputEventScreenDrag> ev;
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ev.instantiate();
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ev->set_index(touch[i].id);
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ev->set_position(p_points[idx].pos);
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ev->set_relative(p_points[idx].pos - touch[i].pos);
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Input::get_singleton()->parse_input_event(ev);
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touch.write[i].pos = p_points[idx].pos;
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}
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} break;
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case AMOTION_EVENT_ACTION_CANCEL:
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case AMOTION_EVENT_ACTION_UP: { //release
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if (touch.size()) {
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//end all if exist
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for (int i = 0; i < touch.size(); i++) {
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Ref<InputEventScreenTouch> ev;
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ev.instantiate();
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ev->set_index(touch[i].id);
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ev->set_pressed(false);
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ev->set_position(touch[i].pos);
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Input::get_singleton()->parse_input_event(ev);
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}
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touch.clear();
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}
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} break;
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case AMOTION_EVENT_ACTION_POINTER_DOWN: { // add touch
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for (int i = 0; i < p_points.size(); i++) {
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if (p_points[i].id == p_pointer) {
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TouchPos tp = p_points[i];
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touch.push_back(tp);
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Ref<InputEventScreenTouch> ev;
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ev.instantiate();
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ev->set_index(tp.id);
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ev->set_pressed(true);
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ev->set_position(tp.pos);
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Input::get_singleton()->parse_input_event(ev);
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break;
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}
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}
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} break;
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case AMOTION_EVENT_ACTION_POINTER_UP: { // remove touch
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for (int i = 0; i < touch.size(); i++) {
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if (touch[i].id == p_pointer) {
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Ref<InputEventScreenTouch> ev;
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ev.instantiate();
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ev->set_index(touch[i].id);
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ev->set_pressed(false);
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ev->set_position(touch[i].pos);
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Input::get_singleton()->parse_input_event(ev);
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touch.remove(i);
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break;
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}
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}
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} break;
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}
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}
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void AndroidInputHandler::process_hover(int p_type, Point2 p_pos) {
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// https://developer.android.com/reference/android/view/MotionEvent.html#ACTION_HOVER_ENTER
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switch (p_type) {
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case AMOTION_EVENT_ACTION_HOVER_MOVE: // hover move
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case AMOTION_EVENT_ACTION_HOVER_ENTER: // hover enter
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case AMOTION_EVENT_ACTION_HOVER_EXIT: { // hover exit
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Ref<InputEventMouseMotion> ev;
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ev.instantiate();
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_set_key_modifier_state(ev);
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ev->set_position(p_pos);
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ev->set_global_position(p_pos);
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ev->set_relative(p_pos - hover_prev_pos);
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Input::get_singleton()->parse_input_event(ev);
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hover_prev_pos = p_pos;
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} break;
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}
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}
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void AndroidInputHandler::process_mouse_event(int input_device, int event_action, int event_android_buttons_mask, Point2 event_pos, float event_vertical_factor, float event_horizontal_factor) {
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MouseButton event_buttons_mask = _android_button_mask_to_godot_button_mask(event_android_buttons_mask);
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switch (event_action) {
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case AMOTION_EVENT_ACTION_BUTTON_PRESS:
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case AMOTION_EVENT_ACTION_BUTTON_RELEASE: {
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Ref<InputEventMouseButton> ev;
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ev.instantiate();
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_set_key_modifier_state(ev);
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if ((input_device & AINPUT_SOURCE_MOUSE) == AINPUT_SOURCE_MOUSE) {
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ev->set_position(event_pos);
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ev->set_global_position(event_pos);
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} else {
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ev->set_position(hover_prev_pos);
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ev->set_global_position(hover_prev_pos);
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}
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ev->set_pressed(event_action == AMOTION_EVENT_ACTION_BUTTON_PRESS);
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MouseButton changed_button_mask = MouseButton(buttons_state ^ event_buttons_mask);
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buttons_state = event_buttons_mask;
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ev->set_button_index(_button_index_from_mask(changed_button_mask));
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ev->set_button_mask(event_buttons_mask);
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Input::get_singleton()->parse_input_event(ev);
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} break;
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case AMOTION_EVENT_ACTION_MOVE: {
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Ref<InputEventMouseMotion> ev;
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ev.instantiate();
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_set_key_modifier_state(ev);
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if ((input_device & AINPUT_SOURCE_MOUSE) == AINPUT_SOURCE_MOUSE) {
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ev->set_position(event_pos);
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ev->set_global_position(event_pos);
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ev->set_relative(event_pos - hover_prev_pos);
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hover_prev_pos = event_pos;
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} else {
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ev->set_position(hover_prev_pos);
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ev->set_global_position(hover_prev_pos);
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ev->set_relative(event_pos);
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}
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ev->set_button_mask(event_buttons_mask);
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Input::get_singleton()->parse_input_event(ev);
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} break;
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case AMOTION_EVENT_ACTION_SCROLL: {
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Ref<InputEventMouseButton> ev;
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ev.instantiate();
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if ((input_device & AINPUT_SOURCE_MOUSE) == AINPUT_SOURCE_MOUSE) {
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ev->set_position(event_pos);
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ev->set_global_position(event_pos);
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} else {
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ev->set_position(hover_prev_pos);
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ev->set_global_position(hover_prev_pos);
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}
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ev->set_pressed(true);
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buttons_state = event_buttons_mask;
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if (event_vertical_factor > 0) {
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_wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_UP, event_vertical_factor);
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} else if (event_vertical_factor < 0) {
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_wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_DOWN, -event_vertical_factor);
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}
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if (event_horizontal_factor > 0) {
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_wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_RIGHT, event_horizontal_factor);
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} else if (event_horizontal_factor < 0) {
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_wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_LEFT, -event_horizontal_factor);
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}
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} break;
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}
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}
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void AndroidInputHandler::_wheel_button_click(MouseButton event_buttons_mask, const Ref<InputEventMouseButton> &ev, MouseButton wheel_button, float factor) {
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Ref<InputEventMouseButton> evd = ev->duplicate();
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_set_key_modifier_state(evd);
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evd->set_button_index(wheel_button);
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evd->set_button_mask(MouseButton(event_buttons_mask ^ mouse_button_to_mask(wheel_button)));
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evd->set_factor(factor);
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Input::get_singleton()->parse_input_event(evd);
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Ref<InputEventMouseButton> evdd = evd->duplicate();
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evdd->set_pressed(false);
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evdd->set_button_mask(event_buttons_mask);
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Input::get_singleton()->parse_input_event(evdd);
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}
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void AndroidInputHandler::process_double_tap(int event_android_button_mask, Point2 p_pos) {
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MouseButton event_button_mask = _android_button_mask_to_godot_button_mask(event_android_button_mask);
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Ref<InputEventMouseButton> ev;
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ev.instantiate();
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_set_key_modifier_state(ev);
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ev->set_position(p_pos);
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ev->set_global_position(p_pos);
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ev->set_pressed(event_button_mask != MouseButton::NONE);
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ev->set_button_index(_button_index_from_mask(event_button_mask));
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ev->set_button_mask(event_button_mask);
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ev->set_double_click(true);
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Input::get_singleton()->parse_input_event(ev);
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}
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MouseButton AndroidInputHandler::_button_index_from_mask(MouseButton button_mask) {
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switch (button_mask) {
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case MouseButton::MASK_LEFT:
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return MouseButton::LEFT;
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case MouseButton::MASK_RIGHT:
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return MouseButton::RIGHT;
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case MouseButton::MASK_MIDDLE:
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return MouseButton::MIDDLE;
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case MouseButton::MASK_XBUTTON1:
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return MouseButton::MB_XBUTTON1;
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case MouseButton::MASK_XBUTTON2:
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return MouseButton::MB_XBUTTON2;
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default:
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return MouseButton::NONE;
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}
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}
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MouseButton AndroidInputHandler::_android_button_mask_to_godot_button_mask(int android_button_mask) {
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MouseButton godot_button_mask = MouseButton::NONE;
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if (android_button_mask & AMOTION_EVENT_BUTTON_PRIMARY) {
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godot_button_mask |= MouseButton::MASK_LEFT;
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}
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if (android_button_mask & AMOTION_EVENT_BUTTON_SECONDARY) {
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godot_button_mask |= MouseButton::MASK_RIGHT;
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}
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if (android_button_mask & AMOTION_EVENT_BUTTON_TERTIARY) {
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godot_button_mask |= MouseButton::MASK_MIDDLE;
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}
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if (android_button_mask & AMOTION_EVENT_BUTTON_BACK) {
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godot_button_mask |= MouseButton::MASK_XBUTTON1;
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}
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if (android_button_mask & AMOTION_EVENT_BUTTON_FORWARD) {
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godot_button_mask |= MouseButton::MASK_XBUTTON2;
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}
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return godot_button_mask;
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}
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void AndroidInputHandler::process_scroll(Point2 p_pos) {
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Ref<InputEventPanGesture> ev;
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ev.instantiate();
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_set_key_modifier_state(ev);
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ev->set_position(p_pos);
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ev->set_delta(p_pos - scroll_prev_pos);
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Input::get_singleton()->parse_input_event(ev);
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scroll_prev_pos = p_pos;
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}
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