mirror of
https://github.com/RGBCube/serenity
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96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/API/KeyCode.h>
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#include <LibGUI/Event.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/HTML/EventNames.h>
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#include <LibWeb/UIEvents/EventNames.h>
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#include <LibWeb/UIEvents/MouseEvent.h>
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namespace Web::UIEvents {
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MouseEvent::MouseEvent(JS::Realm& realm, FlyString const& event_name, MouseEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y, unsigned modifiers)
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: UIEvent(realm, event_name, event_init)
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, m_screen_x(event_init.screen_x)
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, m_screen_y(event_init.screen_y)
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, m_page_x(page_x)
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, m_page_y(page_y)
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, m_client_x(event_init.client_x)
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, m_client_y(event_init.client_y)
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, m_offset_x(offset_x)
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, m_offset_y(offset_y)
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, m_ctrl_key(modifiers & Mod_Ctrl)
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, m_shift_key(modifiers & Mod_Shift)
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, m_alt_key(modifiers & Mod_Alt)
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, m_meta_key(false) // FIXME: Implement meta key
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, m_movement_x(event_init.movement_x)
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, m_movement_y(event_init.movement_y)
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, m_button(event_init.button)
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, m_buttons(event_init.buttons)
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{
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set_event_characteristics();
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}
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MouseEvent::~MouseEvent() = default;
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void MouseEvent::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::MouseEventPrototype>(realm, "MouseEvent"));
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}
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// https://www.w3.org/TR/uievents/#dom-mouseevent-button
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static i16 determine_button(unsigned mouse_button)
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{
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switch (mouse_button) {
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case GUI::MouseButton::Primary:
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return 0;
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case GUI::MouseButton::Middle:
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return 1;
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case GUI::MouseButton::Secondary:
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return 2;
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case GUI::MouseButton::Backward:
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return 3;
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case GUI::MouseButton::Forward:
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return 4;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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JS::NonnullGCPtr<MouseEvent> MouseEvent::create(JS::Realm& realm, FlyString const& event_name, MouseEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y, unsigned modifiers)
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{
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return realm.heap().allocate<MouseEvent>(realm, realm, event_name, event_init, page_x, page_y, offset_x, offset_y, modifiers);
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}
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WebIDL::ExceptionOr<JS::NonnullGCPtr<MouseEvent>> MouseEvent::create_from_platform_event(JS::Realm& realm, FlyString const& event_name, CSSPixelPoint screen, CSSPixelPoint page, CSSPixelPoint client, CSSPixelPoint offset, Optional<CSSPixelPoint> movement, unsigned button, unsigned buttons, unsigned modifiers)
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{
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MouseEventInit event_init {};
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event_init.screen_x = screen.x().to_double();
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event_init.screen_y = screen.y().to_double();
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event_init.client_x = client.x().to_double();
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event_init.client_y = client.y().to_double();
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if (movement.has_value()) {
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event_init.movement_x = movement.value().x().to_double();
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event_init.movement_y = movement.value().y().to_double();
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}
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event_init.button = determine_button(button);
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event_init.buttons = buttons;
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return MouseEvent::create(realm, event_name, event_init, page.x().to_double(), page.y().to_double(), offset.x().to_double(), offset.y().to_double(), modifiers);
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}
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void MouseEvent::set_event_characteristics()
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{
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if (type().is_one_of(EventNames::mousedown, EventNames::mousemove, EventNames::mouseout, EventNames::mouseover, EventNames::mouseup, HTML::EventNames::click, EventNames::dblclick, EventNames::contextmenu)) {
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set_bubbles(true);
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set_cancelable(true);
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set_composed(true);
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}
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}
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}
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