touchgfx::Drawable::getLastChild() - syntax, references, description

touchgfx::Drawable::getLastChild() method

@fn virtual void Drawable::getLastChild(int16_t x, int16_t y, Drawable** last) = 0; Function for obtaining the the last child of this drawable that intersects with the specified point. Function for obtaining the the last child of this drawable that intersects with the specified point. Used in input event handling for obtaining the appropriate drawable that should receive the event. Note that input events must be delegated to the last drawable of the tree (meaning highest z-order / front-most drawable).

Syntax

from Drawable.hpp:179

virtual void getLastChild(int16_t x, int16_t y, Drawable** last) = 0;

Arguments

last

x

The point of intersection expressed in coordinates relative to the parent.

y

The point of intersection expressed in coordinates relative to the parent.

Location	Referrer	Scope	Text
Drawable.hpp:179			virtual void getLastChild(int16_t x, int16_t y, Drawable** last) = 0;
Container.hpp:154	touchgfx::Container::getLastChild()	touchgfx::Container	virtual void getLastChild(int16_t x, int16_t y, Drawable** last);
Widget.hpp:74	touchgfx::Widget::getLastChild()	touchgfx::Widget	virtual void getLastChild(int16_t x, int16_t y, Drawable** last)

Location

Referrer

Scope

Text

Drawable.hpp:179