input.cpp

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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include <qarkui/input.h>
 
#include <qarkui/displaymanager.h>
#include <qarkui/qarkuiutils.h>
#include <qohoskeymodifiers.h>
 
namespace ch = std::chrono;
 
QT_BEGIN_NAMESPACE
 
namespace QArkUi {
 
using JsDisplayId = QOhosDisplayInfo::JsDisplayId;
 
std::optional<::Input_MouseEventAction> tryMapMouseEventAction(std::int32_t actionValue)
{
    switch (actionValue) {
    case ::MOUSE_ACTION_CANCEL:
    case ::MOUSE_ACTION_MOVE:
    case ::MOUSE_ACTION_BUTTON_DOWN:
    case ::MOUSE_ACTION_BUTTON_UP:
    case ::MOUSE_ACTION_AXIS_BEGIN:
    case ::MOUSE_ACTION_AXIS_UPDATE:
    case ::MOUSE_ACTION_AXIS_END:
        return static_cast<::Input_MouseEventAction>(actionValue);
    }
    return {};
}
 
std::optional<::Input_MouseEventButton> tryMapMouseEventButton(std::int32_t buttonValue)
{
    switch (buttonValue) {
    case ::MOUSE_BUTTON_NONE:
    case ::MOUSE_BUTTON_LEFT:
    case ::MOUSE_BUTTON_MIDDLE:
    case ::MOUSE_BUTTON_RIGHT:
    case ::MOUSE_BUTTON_FORWARD:
    case ::MOUSE_BUTTON_BACK:
        return static_cast<::Input_MouseEventButton>(buttonValue);
    }
    return {};
}
 
std::optional<::Input_TouchEventAction> tryMapTouchEventAction(std::int32_t actionValue)
{
    switch (actionValue) {
    case ::TOUCH_ACTION_CANCEL:
    case ::TOUCH_ACTION_DOWN:
    case ::TOUCH_ACTION_MOVE:
    case ::TOUCH_ACTION_UP:
        return static_cast<::Input_TouchEventAction>(actionValue);
    }
    return {};
}
 
std::optional<::Input_KeyEventAction> tryMapKeyEventAction(std::int32_t actionValue)
{
    switch (actionValue) {
    case ::KEY_ACTION_CANCEL:
    case ::KEY_ACTION_DOWN:
    case ::KEY_ACTION_UP:
        return static_cast<::Input_KeyEventAction>(actionValue);
    }
    return {};
}
 
std::optional<MouseEvent> MouseEvent::createFromNativeEvent(const ::Input_MouseEvent *event)
{
    auto jsWindowId = JsWindowId(::OH_Input_GetMouseEventWindowId(event));
 
    auto actionValue = ::OH_Input_GetMouseEventAction(event);
    auto optMappedAction = tryMapMouseEventAction(actionValue);
    if (!optMappedAction.has_value()) {
        qOhosPrintfError(
            "%s: Filter for jsWindowId: %f, received unrecognized mouse event action: %d, event will be ignored",
            Q_FUNC_INFO, jsWindowId.value(), actionValue);
        return {};
    }
 
    auto buttonValue = ::OH_Input_GetMouseEventButton(event);
    auto optMappedButton = tryMapMouseEventButton(buttonValue);
    if (!optMappedButton.has_value()) {
        qOhosPrintfError(
            "%s: Filter for jsWindowId: %f, received unrecognized mouse event action: %d, event will be ignored",
            Q_FUNC_INFO, jsWindowId.value(), actionValue);
        return {};
    }
 
    auto displayId = QOhosDisplayInfo::JsDisplayId(::OH_Input_GetMouseEventDisplayId(event));
    auto displayPosition =
        QPoint(
            ::OH_Input_GetMouseEventDisplayX(event),
            ::OH_Input_GetMouseEventDisplayY(event));
 
    MouseEvent mouseEvent = {
        .jsWindowId = jsWindowId,
        .jsDisplayId = displayId,
        .button = optMappedButton.value(),
        .action = optMappedAction.value(),
        .displayPosition = displayPosition,
        .globalPosition = mapFromDisplayToGlobal(displayPosition, displayId),
        .actionTime = std::chrono::microseconds(::OH_Input_GetMouseEventActionTime(event)),
    };
 
    return mouseEvent;
}
 
std::optional<TouchEvent> TouchEvent::createFromNativeEvent(const ::Input_TouchEvent *event)
{
    auto jsWindowId = JsWindowId(::OH_Input_GetTouchEventWindowId(event));
 
    auto actionValue = ::OH_Input_GetTouchEventAction(event);
    auto optMappedAction = tryMapTouchEventAction(actionValue);
    if (!optMappedAction.has_value()) {
        qOhosPrintfError(
            "%s: Filter for jsWindowId: %f, received unrecognized touch event action: %d, event will be ignored",
            Q_FUNC_INFO, jsWindowId.value(), actionValue);
        return {};
    }
 
    auto displayId = JsDisplayId(::OH_Input_GetTouchEventDisplayId(event));
    auto displayPosition = QPoint(
        ::OH_Input_GetTouchEventDisplayX(event),
        ::OH_Input_GetTouchEventDisplayY(event));
 
    TouchEvent keyEvent = {
        .jsWindowId = jsWindowId,
        .jsDisplayId = displayId,
        .displayPosition = displayPosition,
        .globalPosition = mapFromDisplayToGlobal(displayPosition, displayId),
        .action = optMappedAction.value(),
        .fingerId = ::OH_Input_GetTouchEventFingerId(event),
        .actionTime = std::chrono::microseconds(::OH_Input_GetTouchEventActionTime(event)),
    };
 
    return keyEvent;
}
 
std::optional<KeyEvent> KeyEvent::createFromNativeEvent(const ::Input_KeyEvent *event)
{
    auto jsWindowId = JsWindowId(::OH_Input_GetKeyEventWindowId(event));
 
    auto actionValue = ::OH_Input_GetKeyEventAction(event);
    auto optMappedAction = tryMapKeyEventAction(actionValue);
    if (!optMappedAction.has_value()) {
        qOhosPrintfError(
            "%s: Filter for jsWindowId: %f, received unrecognized key event action: %d, event will be ignored",
            Q_FUNC_INFO, jsWindowId.value(), actionValue);
        return {};
    }
 
    KeyEvent keyEvent = {
        .jsWindowId = jsWindowId,
        .jsDisplayId = {},
        .actionTime = std::chrono::microseconds(::OH_Input_GetKeyEventActionTime(event)),
        .action = optMappedAction.value(),
        .keyCode = ::OH_Input_GetKeyEventKeyCode(event),
    };
 
    return keyEvent;
}
 
QInputDevice::DeviceType getPointingDeviceType(const ::ArkUI_UIInputEvent *inputEvent)
{
    const auto sourceType = ::OH_ArkUI_UIInputEvent_GetSourceType(inputEvent);
    if (sourceType == ::UI_INPUT_EVENT_SOURCE_TYPE_UNKNOWN)
        qOhosWarning(QtForOhos) << "Obtained ArkUI unknown source type for input event";
    if (sourceType == ::UI_INPUT_EVENT_SOURCE_TYPE_TOUCH_SCREEN)
        return QInputDevice::DeviceType::TouchScreen;
    if (sourceType == ::UI_INPUT_EVENT_SOURCE_TYPE_MOUSE)
        return QInputDevice::DeviceType::Mouse;
    return QInputDevice::DeviceType::TouchPad;
}
 
QPointF getPointerEventLocalPosition(const ::ArkUI_UIInputEvent *event)
{
    return QPointF(
        callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_PointerEvent_GetX), event),
        callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_PointerEvent_GetY), event));
}
 
QPointF getPointerEventDisplayPosition(const ::ArkUI_UIInputEvent *event)
{
    return QPointF(
        callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_PointerEvent_GetDisplayX), event),
        callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_PointerEvent_GetDisplayY), event));
}
 
QPointF getPointerEventGlobalPosition(const ::ArkUI_UIInputEvent *event)
{
    return QPointF(
        callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_PointerEvent_GetGlobalDisplayX), event),
        callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_PointerEvent_GetGlobalDisplayY), event));
}
 
ch::milliseconds getInputEventTimeMs(const ::ArkUI_UIInputEvent *event)
{
    auto eventTime = ch::nanoseconds(callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_UIInputEvent_GetEventTime), event));
    return ch::duration_cast<ch::milliseconds>(eventTime);
}
 
NativeNodeMouseEvent NativeNodeMouseEvent::makeFromUiInputEvent(::ArkUI_UIInputEvent *event)
{
    return NativeNodeMouseEvent {
        .timestampMs = getInputEventTimeMs(event),
        .localPosition = getPointerEventLocalPosition(event),
        .displayPosition = getPointerEventDisplayPosition(event),
        .globalPosition = getPointerEventGlobalPosition(event),
        .button = callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_MouseEvent_GetMouseButton), event),
        .action = callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_MouseEvent_GetMouseAction), event),
        .modifiers = readKeyModifiersFromOhosUiInputEvent(event),
        .deviceType = getPointingDeviceType(event),
    };
}
 
NativeNodeHoverEvent NativeNodeHoverEvent::makeFromUiInputEvent(::ArkUI_UIInputEvent *event)
{
    return NativeNodeHoverEvent {
        .isHovered = callArkUi(Q_OHOS_NAMED_FUNC(::OH_ArkUI_HoverEvent_IsHovered), event),
    };
}
 
}
 
QT_END_NAMESPACE