Function InputScrollContinue

src/openrct2-ui/input/MouseInput.cpp:710–765

    }

    static void InputScrollContinue(WindowBase& w, WidgetIndex widgetIndex, const ScreenCoordsXY& screenCoords)
    {
        int32_t scroll_part, scroll_id;

        const auto& widget = w.widgets[widgetIndex];
        if (w.classification != gPressedWidget.windowClassification || w.number != gPressedWidget.windowNumber
            || widgetIndex != gPressedWidget.widgetIndex)
        {
            InvalidateScroll();
            return;
        }

        ScreenCoordsXY newScreenCoords;
        widgetScrollGetPart(w, &widget, screenCoords, newScreenCoords, &scroll_part, &scroll_id);

        if (_currentScrollArea == SCROLL_PART_HSCROLLBAR_THUMB)
        {
            int32_t originalTooltipCursorX = gTooltipCursor.x;
            gTooltipCursor.x = screenCoords.x;
            InputScrollPartUpdateHThumb(w, widgetIndex, screenCoords.x - originalTooltipCursorX, scroll_id);
            return;
        }

        if (_currentScrollArea == SCROLL_PART_VSCROLLBAR_THUMB)
        {
            int32_t originalTooltipCursorY = gTooltipCursor.y;
            gTooltipCursor.y = screenCoords.y;
            InputScrollPartUpdateVThumb(w, widgetIndex, screenCoords.y - originalTooltipCursorY, scroll_id);
            return;
        }

        if (scroll_part != _currentScrollArea)
        {
            InvalidateScroll();
            return;
        }

        switch (scroll_part)
        {
            case SCROLL_PART_VIEW:
                w.onScrollMouseDrag(scroll_id, newScreenCoords);
                break;
            case SCROLL_PART_HSCROLLBAR_LEFT:
                InputScrollPartUpdateHLeft(w, widgetIndex, scroll_id);
                break;
            case SCROLL_PART_HSCROLLBAR_RIGHT:
                InputScrollPartUpdateHRight(w, widgetIndex, scroll_id);
                break;
            case SCROLL_PART_VSCROLLBAR_TOP:
                InputScrollPartUpdateVTop(w, widgetIndex, scroll_id);
                break;
            case SCROLL_PART_VSCROLLBAR_BOTTOM:
                InputScrollPartUpdateVBottom(w, widgetIndex, scroll_id);
                break;
        }
    }

    static void InputScrollEnd()