119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
/*
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Crafter®.Graphics
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Copyright (C) 2026 Catcrafts®
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catcrafts.net
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License version 3.0 as published by the Free Software Foundation;
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// DOM event POD structs delivered by dom-env.js into the per-listener
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// callback set in :Dom. The set of fields and their semantics mirror the
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// equivalent W3C event interfaces — the JS bridge marshals each field
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// individually as a primitive over the wasm boundary (no struct passing,
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// no JSON), so the layouts here are merely what the C++ side reconstructs
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// before invoking the user's std::function.
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export module Crafter.Graphics:DomEvents;
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#ifdef CRAFTER_GRAPHICS_WINDOW_DOM
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import std;
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// The Dom* namespace mirrors CppDOM's flat `Crafter::*` event types but is
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// re-homed under Crafter::Dom to avoid clashing with anything :Types or
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// :Input may later add at the bare Crafter:: scope.
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export namespace Crafter::Dom {
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struct KeyboardEvent {
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std::string key;
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std::uint_fast8_t keyCode;
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bool altKey;
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bool ctrlKey;
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bool shiftKey;
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bool metaKey;
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KeyboardEvent(const char* key, std::int32_t keyCode,
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bool altKey, bool ctrlKey, bool shiftKey, bool metaKey)
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: key(key), keyCode(keyCode),
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altKey(altKey), ctrlKey(ctrlKey),
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shiftKey(shiftKey), metaKey(metaKey) {}
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};
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struct FocusEvent {
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// Opaque JS handle cookies — round-trip back into env.js as the
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// identity of the related element. No C++ API attaches semantics
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// to them today; held for forward-compat with later helpers.
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void* target;
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void* relatedTarget;
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FocusEvent(void* target, void* relatedTarget)
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: target(target), relatedTarget(relatedTarget) {}
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};
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struct MouseEvent {
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double clientX;
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double clientY;
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double screenX;
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double screenY;
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std::uint_fast32_t button;
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std::uint_fast32_t buttons;
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bool altKey;
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bool ctrlKey;
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bool shiftKey;
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bool metaKey;
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MouseEvent(double clientX, double clientY, double screenX, double screenY,
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std::int32_t button, std::int32_t buttons,
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bool altKey, bool ctrlKey, bool shiftKey, bool metaKey)
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: clientX(clientX), clientY(clientY),
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screenX(screenX), screenY(screenY),
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button(button), buttons(buttons),
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altKey(altKey), ctrlKey(ctrlKey),
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shiftKey(shiftKey), metaKey(metaKey) {}
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};
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struct InputEvent {
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std::string data;
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bool isComposing;
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InputEvent(const char* data, bool isComposing)
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: data(data), isComposing(isComposing) {}
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};
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struct WheelEvent : public MouseEvent {
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double deltaX;
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double deltaY;
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double deltaZ;
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WheelEvent(double clientX, double clientY, double screenX, double screenY,
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std::int32_t button, std::int32_t buttons,
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bool altKey, bool ctrlKey, bool shiftKey, bool metaKey,
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double deltaX, double deltaY, double deltaZ)
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: MouseEvent(clientX, clientY, screenX, screenY,
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button, buttons, altKey, ctrlKey, shiftKey, metaKey),
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deltaX(deltaX), deltaY(deltaY), deltaZ(deltaZ) {}
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};
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struct ResizeEvent {
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std::uint_fast32_t width;
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std::uint_fast32_t height;
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ResizeEvent(std::uint_fast32_t width, std::uint_fast32_t height)
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: width(width), height(height) {}
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};
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struct ScrollEvent {
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double scrollX;
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double scrollY;
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ScrollEvent(double scrollX, double scrollY)
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: scrollX(scrollX), scrollY(scrollY) {}
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};
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struct ChangeEvent {
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std::string value;
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ChangeEvent(const char* value) : value(value) {}
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};
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}
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#endif // CRAFTER_GRAPHICS_WINDOW_DOM
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