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https://github.com/LadybirdBrowser/ladybird.git
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a6d6729034
This returns the secondary target of a mouse event. For `onmouseenter` and `onmouseover` events, this is the EventTarget the mouse exited from. For `onmouseleave` and `onmouseout` events, this is the EventTarget the mouse entered to.
119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
/*
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* Copyright (c) 2020, 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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#pragma once
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#include <AK/TypeCasts.h>
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#include <LibWeb/PixelUnits.h>
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#include <LibWeb/UIEvents/EventModifier.h>
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#include <LibWeb/UIEvents/UIEvent.h>
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namespace Web::UIEvents {
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struct MouseEventInit : public EventModifierInit {
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double screen_x = 0;
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double screen_y = 0;
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double client_x = 0;
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double client_y = 0;
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double movement_x = 0;
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double movement_y = 0;
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i16 button = 0;
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u16 buttons = 0;
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JS::GCPtr<DOM::EventTarget> related_target = nullptr;
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};
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class MouseEvent : public UIEvent {
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WEB_PLATFORM_OBJECT(MouseEvent, UIEvent);
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JS_DECLARE_ALLOCATOR(MouseEvent);
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public:
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[[nodiscard]] static JS::NonnullGCPtr<MouseEvent> create(JS::Realm&, FlyString const& event_name, MouseEventInit const& = {}, double page_x = 0, double page_y = 0, double offset_x = 0, double offset_y = 0);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<MouseEvent>> create_from_platform_event(JS::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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static WebIDL::ExceptionOr<JS::NonnullGCPtr<MouseEvent>> construct_impl(JS::Realm&, FlyString const& event_name, MouseEventInit const&);
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virtual ~MouseEvent() override;
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double screen_x() const { return m_screen_x; }
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double screen_y() const { return m_screen_y; }
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double page_x() const { return m_page_x; }
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double page_y() const { return m_page_y; }
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double client_x() const { return m_client_x; }
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double client_y() const { return m_client_y; }
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double x() const { return client_x(); }
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double y() const { return client_y(); }
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double offset_x() const { return m_offset_x; }
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double offset_y() const { return m_offset_y; }
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bool ctrl_key() const { return m_ctrl_key; }
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bool shift_key() const { return m_shift_key; }
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bool alt_key() const { return m_alt_key; }
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bool meta_key() const { return m_meta_key; }
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double movement_x() const { return m_movement_x; }
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double movement_y() const { return m_movement_y; }
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i16 button() const { return m_button; }
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u16 buttons() const { return m_buttons; }
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JS::GCPtr<DOM::EventTarget> related_target() const { return m_related_target; }
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bool get_modifier_state(String const& key_arg) const;
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virtual u32 which() const override { return m_button + 1; }
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protected:
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MouseEvent(JS::Realm&, FlyString const& event_name, MouseEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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virtual bool is_mouse_event() const override { return true; }
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void set_event_characteristics();
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double m_screen_x { 0 };
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double m_screen_y { 0 };
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double m_page_x { 0 };
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double m_page_y { 0 };
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double m_client_x { 0 };
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double m_client_y { 0 };
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double m_offset_x { 0 };
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double m_offset_y { 0 };
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bool m_ctrl_key { false };
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bool m_shift_key { false };
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bool m_alt_key { false };
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bool m_meta_key { false };
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bool m_modifier_alt_graph { false };
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bool m_modifier_caps_lock { false };
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bool m_modifier_fn { false };
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bool m_modifier_fn_lock { false };
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bool m_modifier_hyper { false };
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bool m_modifier_num_lock { false };
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bool m_modifier_scroll_lock { false };
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bool m_modifier_super { false };
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bool m_modifier_symbol { false };
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bool m_modifier_symbol_lock { false };
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double m_movement_x { 0 };
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double m_movement_y { 0 };
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i16 m_button { 0 };
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u16 m_buttons { 0 };
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JS::GCPtr<DOM::EventTarget> m_related_target { nullptr };
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};
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}
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namespace Web::DOM {
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template<>
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inline bool Event::fast_is<UIEvents::MouseEvent>() const { return is_mouse_event(); }
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}
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