* @brief * Default constructor for the port_element class. */

* \brief * Prepares the subject for the proxy. * * This member function is called to prepare the subject for the proxy. * It

* \brief * Constructor for creating a rounded box element with a specific * color. * * \param color_ * The color to fill

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* \brief * Send a refresh request for a particular element to redraw it. * * If the element 'e' is the same as 'this' element, the f

* \brief * Restores the subject after it has been used by the proxy. * * This member function is called to restore the subject after

since we only have a single scroll function to work with, we do it as follows: 1. if no thumbs are active, determine which is closest to the mouse i.

* \brief * Handle scroll-wheel or scroll gesture events. * * This member function is called when a scroll event occurs on the *

* @brief * Calculates the position and size of the scrollbar. * * This function determines the position and size of the scrollbar

* @brief * Attempts to scroll the rectangle, r_, into view. * * If both `scrollable_ptr` and `context_ptr` are valid, it calls the

* @brief * Constructor for scroller_base. * * @param traits * Configuration traits for the scroller, controlling its behavior an

* \brief * Sets the selected state of the draggable element. * * \param state_ * The new selected state (`true`==selected and `f

* \brief * Set the selection state of the button. * * This function uses the `value()` member function to set the new * stat

* \brief * Construct a selection_list_element. * * \param multi_select * Determines if we allow multiple selections or not. Defa

* \brief * Set the bounds of the list object. * * \param ctx * A reference to the basic_context of the element, which provides