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badcdcacf5
This causes UI interactions with the document selection to also update the input and textarea DOM selection state. Note that we switch around the order of focusing a DOM node and setting the selection, so we allow the focus event to override whatever selection we came up with.
79 lines
3 KiB
C++
79 lines
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 <LibGfx/Forward.h>
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#include <LibJS/Heap/Cell.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/InputEvent.h>
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#include <LibWeb/PixelUnits.h>
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#include <LibWeb/UIEvents/KeyCode.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::Navigable>, HTML::Navigable&);
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~EventHandler();
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bool handle_mouseup(CSSPixelPoint, CSSPixelPoint screen_position, unsigned button, unsigned buttons, unsigned modifiers);
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bool handle_mousedown(CSSPixelPoint, CSSPixelPoint screen_position, unsigned button, unsigned buttons, unsigned modifiers);
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bool handle_mousemove(CSSPixelPoint, CSSPixelPoint screen_position, unsigned buttons, unsigned modifiers);
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bool handle_mousewheel(CSSPixelPoint, CSSPixelPoint screen_position, unsigned button, unsigned buttons, unsigned modifiers, int wheel_delta_x, int wheel_delta_y);
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bool handle_doubleclick(CSSPixelPoint, CSSPixelPoint screen_position, unsigned button, unsigned buttons, unsigned modifiers);
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bool handle_drag_and_drop_event(DragEvent::Type, CSSPixelPoint, CSSPixelPoint screen_position, unsigned button, unsigned buttons, unsigned modifiers, Vector<HTML::SelectedFile> files);
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bool handle_keydown(UIEvents::KeyCode, unsigned modifiers, u32 code_point);
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bool handle_keyup(UIEvents::KeyCode, unsigned modifiers, u32 code_point);
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void set_mouse_event_tracking_paintable(Painting::Paintable*);
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void handle_paste(String const& text);
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void visit_edges(JS::Cell::Visitor& visitor) const;
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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::Navigable&, UIEvents::KeyCode, 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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CSSPixelPoint compute_mouse_event_movement(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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bool should_ignore_device_input_event() const;
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void update_selection_range_for_input_or_textarea();
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JS::NonnullGCPtr<HTML::Navigable> m_navigable;
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bool m_in_mouse_selection { false };
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JS::GCPtr<Painting::Paintable> m_mouse_event_tracking_paintable;
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NonnullOwnPtr<EditEventHandler> m_edit_event_handler;
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NonnullOwnPtr<DragAndDropEventHandler> m_drag_and_drop_event_handler;
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WeakPtr<DOM::EventTarget> m_mousedown_target;
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Optional<CSSPixelPoint> m_mousemove_previous_screen_position;
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};
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}
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