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LibWeb: Dispatch "wheel" event
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parent
97dc1585b1
commit
501fb1cccb
8 changed files with 176 additions and 12 deletions
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@ -25,7 +25,8 @@ namespace Web::UIEvents::EventNames {
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__ENUMERATE_UI_EVENT(mouseout) \
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__ENUMERATE_UI_EVENT(mouseover) \
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__ENUMERATE_UI_EVENT(mouseup) \
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__ENUMERATE_UI_EVENT(resize)
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__ENUMERATE_UI_EVENT(resize) \
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__ENUMERATE_UI_EVENT(wheel)
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#define __ENUMERATE_UI_EVENT(name) extern FlyString name;
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ENUMERATE_UI_EVENTS
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@ -21,7 +21,7 @@ struct MouseEventInit : public EventModifierInit {
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i16 button = 0;
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};
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class MouseEvent final : public UIEvent {
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class MouseEvent : public UIEvent {
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WEB_PLATFORM_OBJECT(MouseEvent, UIEvent);
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public:
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@ -43,9 +43,10 @@ public:
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virtual u32 which() const override { return m_button + 1; }
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private:
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protected:
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MouseEvent(JS::Realm&, FlyString const& event_name, MouseEventInit const& event_init);
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private:
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void set_event_characteristics();
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double m_offset_x { 0 };
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51
Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
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51
Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
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@ -0,0 +1,51 @@
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/*
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* Copyright (c) 2022, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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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/WheelEvent.h>
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namespace Web::UIEvents {
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WheelEvent::WheelEvent(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& event_init)
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: MouseEvent(realm, event_name, event_init)
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, m_delta_x(event_init.delta_x)
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, m_delta_y(event_init.delta_y)
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, m_delta_mode(event_init.delta_mode)
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{
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set_prototype(&Bindings::cached_web_prototype(realm, "WheelEvent"));
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set_event_characteristics();
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}
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WheelEvent::~WheelEvent() = default;
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WheelEvent* WheelEvent::create(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& event_init)
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{
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return realm.heap().allocate<WheelEvent>(realm, realm, event_name, event_init);
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}
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WheelEvent* WheelEvent::create_from_platform_event(JS::Realm& realm, FlyString const& event_name, double offset_x, double offset_y, double client_x, double client_y, double delta_x, double delta_y)
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{
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WheelEventInit event_init {};
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event_init.offset_x = offset_x;
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event_init.offset_y = offset_y;
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event_init.client_x = client_x;
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event_init.client_y = client_y;
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event_init.delta_x = delta_x;
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event_init.delta_y = delta_y;
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event_init.delta_mode = WheelDeltaMode::DOM_DELTA_PIXEL;
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return WheelEvent::create(realm, event_name, event_init);
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}
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void WheelEvent::set_event_characteristics()
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{
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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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53
Userland/Libraries/LibWeb/UIEvents/WheelEvent.h
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53
Userland/Libraries/LibWeb/UIEvents/WheelEvent.h
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@ -0,0 +1,53 @@
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/*
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* Copyright (c) 2022, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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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 <LibWeb/UIEvents/MouseEvent.h>
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#include <LibWeb/UIEvents/UIEvent.h>
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namespace Web::UIEvents {
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enum class WheelDeltaMode : unsigned long {
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DOM_DELTA_PIXEL = 0,
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DOM_DELTA_LINE = 1,
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DOM_DELTA_PAGE = 2,
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};
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struct WheelEventInit : public MouseEventInit {
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double delta_x = 0;
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double delta_y = 0;
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double delta_z = 0;
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WheelDeltaMode delta_mode = WheelDeltaMode::DOM_DELTA_PIXEL;
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};
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class WheelEvent final : public MouseEvent {
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WEB_PLATFORM_OBJECT(WheelEvent, MouseEvent);
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public:
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static WheelEvent* create(JS::Realm&, FlyString const& event_name, WheelEventInit const& event_init = {});
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static WheelEvent* create_from_platform_event(JS::Realm&, FlyString const& event_name, double offset_x, double offset_y, double client_x, double client_y, double delta_x, double delta_y);
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virtual ~WheelEvent() override;
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double delta_x() const { return m_delta_x; }
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double delta_y() const { return m_delta_y; }
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double delta_z() const { return m_delta_z; }
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unsigned long delta_mode() const { return to_underlying(m_delta_mode); }
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private:
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WheelEvent(JS::Realm&, FlyString const& event_name, WheelEventInit const& event_init);
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void set_event_characteristics();
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double m_delta_x { 0 };
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double m_delta_y { 0 };
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double m_delta_z { 0 };
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WheelDeltaMode m_delta_mode { WheelDeltaMode::DOM_DELTA_PIXEL };
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};
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}
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22
Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl
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22
Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl
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@ -0,0 +1,22 @@
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#import <UIEvents/MouseEvent.idl>
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// https://www.w3.org/TR/uievents/#idl-wheelevent
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[Exposed=Window]
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interface WheelEvent : MouseEvent {
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// DeltaModeCode
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const unsigned long DOM_DELTA_PIXEL = 0x00;
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const unsigned long DOM_DELTA_LINE = 0x01;
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const unsigned long DOM_DELTA_PAGE = 0x02;
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readonly attribute double deltaX;
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readonly attribute double deltaY;
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readonly attribute double deltaZ;
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readonly attribute unsigned long deltaMode;
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};
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dictionary WheelEventInit : MouseEventInit {
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double deltaX = 0;
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double deltaY = 0;
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double deltaZ = 0;
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unsigned long deltaMode = 0;
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};
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