e745088f1f
Key, touch and joystick events will be passed directly from the UI thread to Godot, so they can benefit from agile input flushing. As another consequence of this new way of passing events, less Java object are created at runtime (`Runnable`), which is good since the garbage collector needs to run less. `AndroidInputHandler` is introduced to have a smaller cross-thread surface. `main_loop_request_go_back()` is removed in favor just inline calling `send_window_event()` at the most caller's convenience (i.e., leveraging the new `p_deferred`` parameter as appropriate). Lastly, `get_mouse_position()` and `get_mouse_button_state()` now just call through `Input` to avoid the need of sync of mouse data tracked on the UI thread.
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, (HatMask)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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int keycode = android_get_keysym(p_keycode);
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int 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((Key)keycode);
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ev->set_physical_keycode((Key)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(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(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, MOUSE_BUTTON_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, MOUSE_BUTTON_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, MOUSE_BUTTON_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, MOUSE_BUTTON_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 ^ (1 << (wheel_button - 1))));
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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 != 0);
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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 MOUSE_BUTTON_MASK_LEFT:
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return MOUSE_BUTTON_LEFT;
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case MOUSE_BUTTON_MASK_RIGHT:
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return MOUSE_BUTTON_RIGHT;
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case MOUSE_BUTTON_MASK_MIDDLE:
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return MOUSE_BUTTON_MIDDLE;
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case MOUSE_BUTTON_MASK_XBUTTON1:
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return MOUSE_BUTTON_XBUTTON1;
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case MOUSE_BUTTON_MASK_XBUTTON2:
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return MOUSE_BUTTON_XBUTTON2;
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default:
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return MOUSE_BUTTON_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 = MOUSE_BUTTON_NONE;
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if (android_button_mask & AMOTION_EVENT_BUTTON_PRIMARY) {
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godot_button_mask |= MOUSE_BUTTON_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 |= MOUSE_BUTTON_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 |= MOUSE_BUTTON_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 |= MOUSE_BUTTON_MASK_XBUTTON1;
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}
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if (android_button_mask & AMOTION_EVENT_BUTTON_SECONDARY) {
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godot_button_mask |= MOUSE_BUTTON_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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