mirror of
https://github.com/RGBCube/serenity
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68 lines
2.3 KiB
C++
68 lines
2.3 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/Forward.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/WeakPtr.h>
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#include <Kernel/API/KeyCode.h>
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#include <LibGUI/Forward.h>
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#include <LibGfx/Forward.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Page/EditEventHandler.h>
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#include <LibWeb/PixelUnits.h>
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namespace Web {
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class EventHandler {
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public:
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explicit EventHandler(Badge<HTML::BrowsingContext>, HTML::BrowsingContext&);
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~EventHandler();
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bool handle_mouseup(CSSPixelPoint, unsigned button, unsigned buttons, unsigned modifiers);
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bool handle_mousedown(CSSPixelPoint, unsigned button, unsigned buttons, unsigned modifiers);
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bool handle_mousemove(CSSPixelPoint, unsigned buttons, unsigned modifiers);
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bool handle_mousewheel(CSSPixelPoint, unsigned button, unsigned buttons, unsigned modifiers, int wheel_delta_x, int wheel_delta_y);
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bool handle_doubleclick(CSSPixelPoint, unsigned button, unsigned buttons, unsigned modifiers);
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bool handle_keydown(KeyCode, unsigned modifiers, u32 code_point);
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bool handle_keyup(KeyCode, unsigned modifiers, u32 code_point);
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void set_mouse_event_tracking_layout_node(Layout::Node*);
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void set_edit_event_handler(NonnullOwnPtr<EditEventHandler> value) { m_edit_event_handler = move(value); }
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private:
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bool focus_next_element();
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bool focus_previous_element();
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bool fire_keyboard_event(FlyString const& event_name, HTML::BrowsingContext& browsing_context, KeyCode key, unsigned modifiers, u32 code_point);
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CSSPixelPoint compute_mouse_event_client_offset(CSSPixelPoint event_page_position) const;
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CSSPixelPoint compute_mouse_event_page_offset(CSSPixelPoint event_client_offset) const;
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struct Target {
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JS::GCPtr<Painting::Paintable> paintable;
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Optional<int> index_in_node;
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};
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Optional<Target> target_for_mouse_position(CSSPixelPoint position);
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Painting::PaintableBox* paint_root();
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Painting::PaintableBox const* paint_root() const;
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JS::NonnullGCPtr<HTML::BrowsingContext> m_browsing_context;
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bool m_in_mouse_selection { false };
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WeakPtr<Layout::Node> m_mouse_event_tracking_layout_node;
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NonnullOwnPtr<EditEventHandler> m_edit_event_handler;
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WeakPtr<DOM::EventTarget> m_mousedown_target;
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};
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}
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