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Diffstat (limited to 'platform/android/android_input_handler.cpp')
| -rw-r--r-- | platform/android/android_input_handler.cpp | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/platform/android/android_input_handler.cpp b/platform/android/android_input_handler.cpp new file mode 100644 index 0000000000..c0b098cd7f --- /dev/null +++ b/platform/android/android_input_handler.cpp @@ -0,0 +1,412 @@ +/*************************************************************************/ +/* android_input_handler.cpp */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#include "android_input_handler.h" + +#include "android_keys_utils.h" +#include "display_server_android.h" + +void AndroidInputHandler::process_joy_event(AndroidInputHandler::JoypadEvent p_event) { + switch (p_event.type) { + case JOY_EVENT_BUTTON: + Input::get_singleton()->joy_button(p_event.device, (JoyButton)p_event.index, p_event.pressed); + break; + case JOY_EVENT_AXIS: + Input::get_singleton()->joy_axis(p_event.device, (JoyAxis)p_event.index, p_event.value); + break; + case JOY_EVENT_HAT: + Input::get_singleton()->joy_hat(p_event.device, p_event.hat); + break; + default: + return; + } +} + +void AndroidInputHandler::_set_key_modifier_state(Ref<InputEventWithModifiers> ev) { + ev->set_shift_pressed(shift_mem); + ev->set_alt_pressed(alt_mem); + ev->set_meta_pressed(meta_mem); + ev->set_ctrl_pressed(control_mem); +} + +void AndroidInputHandler::process_key_event(int p_keycode, int p_physical_keycode, int p_unicode, bool p_pressed) { + static char32_t prev_wc = 0; + char32_t unicode = p_unicode; + if ((p_unicode & 0xfffffc00) == 0xd800) { + if (prev_wc != 0) { + ERR_PRINT("invalid utf16 surrogate input"); + } + prev_wc = unicode; + return; // Skip surrogate. + } else if ((unicode & 0xfffffc00) == 0xdc00) { + if (prev_wc == 0) { + ERR_PRINT("invalid utf16 surrogate input"); + return; // Skip invalid surrogate. + } + unicode = (prev_wc << 10UL) + unicode - ((0xd800 << 10UL) + 0xdc00 - 0x10000); + prev_wc = 0; + } else { + prev_wc = 0; + } + + Ref<InputEventKey> ev; + ev.instantiate(); + + Key physical_keycode = godot_code_from_android_code(p_physical_keycode); + Key keycode = physical_keycode; + if (p_keycode != 0) { + keycode = godot_code_from_unicode(p_keycode); + } + + switch (physical_keycode) { + case Key::SHIFT: { + shift_mem = p_pressed; + } break; + case Key::ALT: { + alt_mem = p_pressed; + } break; + case Key::CTRL: { + control_mem = p_pressed; + } break; + case Key::META: { + meta_mem = p_pressed; + } break; + default: + break; + } + + ev->set_keycode(keycode); + ev->set_physical_keycode(physical_keycode); + ev->set_unicode(unicode); + ev->set_pressed(p_pressed); + + _set_key_modifier_state(ev); + + if (p_physical_keycode == AKEYCODE_BACK) { + if (DisplayServerAndroid *dsa = Object::cast_to<DisplayServerAndroid>(DisplayServer::get_singleton())) { + dsa->send_window_event(DisplayServer::WINDOW_EVENT_GO_BACK_REQUEST, true); + } + } + + Input::get_singleton()->parse_input_event(ev); +} + +void AndroidInputHandler::_parse_all_touch(bool p_pressed, bool p_double_tap) { + if (touch.size()) { + //end all if exist + for (int i = 0; i < touch.size(); i++) { + Ref<InputEventScreenTouch> ev; + ev.instantiate(); + ev->set_index(touch[i].id); + ev->set_pressed(p_pressed); + ev->set_position(touch[i].pos); + ev->set_double_tap(p_double_tap); + Input::get_singleton()->parse_input_event(ev); + } + } +} + +void AndroidInputHandler::_release_all_touch() { + _parse_all_touch(false, false); + touch.clear(); +} + +void AndroidInputHandler::process_touch_event(int p_event, int p_pointer, const Vector<TouchPos> &p_points, bool p_double_tap) { + switch (p_event) { + case AMOTION_EVENT_ACTION_DOWN: { //gesture begin + // Release any remaining touches or mouse event + _release_mouse_event_info(); + _release_all_touch(); + + touch.resize(p_points.size()); + for (int i = 0; i < p_points.size(); i++) { + touch.write[i].id = p_points[i].id; + touch.write[i].pos = p_points[i].pos; + } + + //send touch + _parse_all_touch(true, p_double_tap); + + } break; + case AMOTION_EVENT_ACTION_MOVE: { //motion + if (touch.size() != p_points.size()) { + return; + } + + for (int i = 0; i < touch.size(); i++) { + int idx = -1; + for (int j = 0; j < p_points.size(); j++) { + if (touch[i].id == p_points[j].id) { + idx = j; + break; + } + } + + ERR_CONTINUE(idx == -1); + + if (touch[i].pos == p_points[idx].pos) { + continue; // Don't move unnecessarily. + } + + Ref<InputEventScreenDrag> ev; + ev.instantiate(); + ev->set_index(touch[i].id); + ev->set_position(p_points[idx].pos); + ev->set_relative(p_points[idx].pos - touch[i].pos); + Input::get_singleton()->parse_input_event(ev); + touch.write[i].pos = p_points[idx].pos; + } + + } break; + case AMOTION_EVENT_ACTION_CANCEL: + case AMOTION_EVENT_ACTION_UP: { //release + _release_all_touch(); + } break; + case AMOTION_EVENT_ACTION_POINTER_DOWN: { // add touch + for (int i = 0; i < p_points.size(); i++) { + if (p_points[i].id == p_pointer) { + TouchPos tp = p_points[i]; + touch.push_back(tp); + + Ref<InputEventScreenTouch> ev; + ev.instantiate(); + + ev->set_index(tp.id); + ev->set_pressed(true); + ev->set_position(tp.pos); + Input::get_singleton()->parse_input_event(ev); + + break; + } + } + } break; + case AMOTION_EVENT_ACTION_POINTER_UP: { // remove touch + for (int i = 0; i < touch.size(); i++) { + if (touch[i].id == p_pointer) { + Ref<InputEventScreenTouch> ev; + ev.instantiate(); + ev->set_index(touch[i].id); + ev->set_pressed(false); + ev->set_position(touch[i].pos); + Input::get_singleton()->parse_input_event(ev); + touch.remove_at(i); + + break; + } + } + } break; + } +} + +void AndroidInputHandler::_parse_mouse_event_info(MouseButton event_buttons_mask, bool p_pressed, bool p_double_click, bool p_source_mouse_relative) { + if (!mouse_event_info.valid) { + return; + } + + Ref<InputEventMouseButton> ev; + ev.instantiate(); + _set_key_modifier_state(ev); + if (p_source_mouse_relative) { + ev->set_position(hover_prev_pos); + ev->set_global_position(hover_prev_pos); + } else { + ev->set_position(mouse_event_info.pos); + ev->set_global_position(mouse_event_info.pos); + hover_prev_pos = mouse_event_info.pos; + } + ev->set_pressed(p_pressed); + MouseButton changed_button_mask = MouseButton(buttons_state ^ event_buttons_mask); + + buttons_state = event_buttons_mask; + + ev->set_button_index(_button_index_from_mask(changed_button_mask)); + ev->set_button_mask(event_buttons_mask); + ev->set_double_click(p_double_click); + Input::get_singleton()->parse_input_event(ev); +} + +void AndroidInputHandler::_release_mouse_event_info(bool p_source_mouse_relative) { + _parse_mouse_event_info(MouseButton::NONE, false, false, p_source_mouse_relative); + mouse_event_info.valid = false; +} + +void AndroidInputHandler::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) { + MouseButton event_buttons_mask = _android_button_mask_to_godot_button_mask(p_event_android_buttons_mask); + switch (p_event_action) { + case AMOTION_EVENT_ACTION_HOVER_MOVE: // hover move + case AMOTION_EVENT_ACTION_HOVER_ENTER: // hover enter + case AMOTION_EVENT_ACTION_HOVER_EXIT: { // hover exit + // https://developer.android.com/reference/android/view/MotionEvent.html#ACTION_HOVER_ENTER + Ref<InputEventMouseMotion> ev; + ev.instantiate(); + _set_key_modifier_state(ev); + ev->set_position(p_event_pos); + ev->set_global_position(p_event_pos); + ev->set_relative(p_event_pos - hover_prev_pos); + Input::get_singleton()->parse_input_event(ev); + hover_prev_pos = p_event_pos; + } break; + + case AMOTION_EVENT_ACTION_DOWN: + case AMOTION_EVENT_ACTION_BUTTON_PRESS: { + // Release any remaining touches or mouse event + _release_mouse_event_info(); + _release_all_touch(); + + mouse_event_info.valid = true; + mouse_event_info.pos = p_event_pos; + _parse_mouse_event_info(event_buttons_mask, true, p_double_click, p_source_mouse_relative); + } break; + + case AMOTION_EVENT_ACTION_UP: + case AMOTION_EVENT_ACTION_CANCEL: + case AMOTION_EVENT_ACTION_BUTTON_RELEASE: { + _release_mouse_event_info(p_source_mouse_relative); + } break; + + case AMOTION_EVENT_ACTION_MOVE: { + if (!mouse_event_info.valid) { + return; + } + + Ref<InputEventMouseMotion> ev; + ev.instantiate(); + _set_key_modifier_state(ev); + if (p_source_mouse_relative) { + ev->set_position(hover_prev_pos); + ev->set_global_position(hover_prev_pos); + ev->set_relative(p_event_pos); + } else { + ev->set_position(p_event_pos); + ev->set_global_position(p_event_pos); + ev->set_relative(p_event_pos - hover_prev_pos); + mouse_event_info.pos = p_event_pos; + hover_prev_pos = p_event_pos; + } + ev->set_button_mask(event_buttons_mask); + Input::get_singleton()->parse_input_event(ev); + } break; + + case AMOTION_EVENT_ACTION_SCROLL: { + Ref<InputEventMouseButton> ev; + ev.instantiate(); + _set_key_modifier_state(ev); + if (p_source_mouse_relative) { + ev->set_position(hover_prev_pos); + ev->set_global_position(hover_prev_pos); + } else { + ev->set_position(p_event_pos); + ev->set_global_position(p_event_pos); + } + ev->set_pressed(true); + buttons_state = event_buttons_mask; + if (p_delta.y > 0) { + _wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_UP, p_delta.y); + } else if (p_delta.y < 0) { + _wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_DOWN, -p_delta.y); + } + + if (p_delta.x > 0) { + _wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_RIGHT, p_delta.x); + } else if (p_delta.x < 0) { + _wheel_button_click(event_buttons_mask, ev, MouseButton::WHEEL_LEFT, -p_delta.x); + } + } break; + } +} + +void AndroidInputHandler::_wheel_button_click(MouseButton event_buttons_mask, const Ref<InputEventMouseButton> &ev, MouseButton wheel_button, float factor) { + Ref<InputEventMouseButton> evd = ev->duplicate(); + _set_key_modifier_state(evd); + evd->set_button_index(wheel_button); + evd->set_button_mask(MouseButton(event_buttons_mask ^ mouse_button_to_mask(wheel_button))); + evd->set_factor(factor); + Input::get_singleton()->parse_input_event(evd); + Ref<InputEventMouseButton> evdd = evd->duplicate(); + evdd->set_pressed(false); + evdd->set_button_mask(event_buttons_mask); + Input::get_singleton()->parse_input_event(evdd); +} + +void AndroidInputHandler::process_magnify(Point2 p_pos, float p_factor) { + Ref<InputEventMagnifyGesture> magnify_event; + magnify_event.instantiate(); + _set_key_modifier_state(magnify_event); + magnify_event->set_position(p_pos); + magnify_event->set_factor(p_factor); + Input::get_singleton()->parse_input_event(magnify_event); +} + +void AndroidInputHandler::process_pan(Point2 p_pos, Vector2 p_delta) { + Ref<InputEventPanGesture> pan_event; + pan_event.instantiate(); + _set_key_modifier_state(pan_event); + pan_event->set_position(p_pos); + pan_event->set_delta(p_delta); + Input::get_singleton()->parse_input_event(pan_event); +} + +MouseButton AndroidInputHandler::_button_index_from_mask(MouseButton button_mask) { + switch (button_mask) { + case MouseButton::MASK_LEFT: + return MouseButton::LEFT; + case MouseButton::MASK_RIGHT: + return MouseButton::RIGHT; + case MouseButton::MASK_MIDDLE: + return MouseButton::MIDDLE; + case MouseButton::MASK_XBUTTON1: + return MouseButton::MB_XBUTTON1; + case MouseButton::MASK_XBUTTON2: + return MouseButton::MB_XBUTTON2; + default: + return MouseButton::NONE; + } +} + +MouseButton AndroidInputHandler::_android_button_mask_to_godot_button_mask(int android_button_mask) { + MouseButton godot_button_mask = MouseButton::NONE; + if (android_button_mask & AMOTION_EVENT_BUTTON_PRIMARY) { + godot_button_mask |= MouseButton::MASK_LEFT; + } + if (android_button_mask & AMOTION_EVENT_BUTTON_SECONDARY) { + godot_button_mask |= MouseButton::MASK_RIGHT; + } + if (android_button_mask & AMOTION_EVENT_BUTTON_TERTIARY) { + godot_button_mask |= MouseButton::MASK_MIDDLE; + } + if (android_button_mask & AMOTION_EVENT_BUTTON_BACK) { + godot_button_mask |= MouseButton::MASK_XBUTTON1; + } + if (android_button_mask & AMOTION_EVENT_BUTTON_FORWARD) { + godot_button_mask |= MouseButton::MASK_XBUTTON2; + } + + return godot_button_mask; +} |