FocusDirection

@safe

struct FocusDirection {

struct WithPriority;

Rectangle lastFocusBox;

FluidFocusable previous;

FluidFocusable next;

FluidFocusable first;

FluidFocusable last;

WithPriority[4] positional;

int priority;

void update(Node current, Rectangle box, uint depth);

bool checkDirection(Rectangle box, Style.Side side);

float distance2(Rectangle box, Style.Side side);

}

Members

Functions

checkDirection bool checkDirection(Rectangle box, Style.Side side): Check if the given box is located to the given side of the focus box.
distance2 float distance2(Rectangle box, Style.Side side): Get the square of the distance between given box and lastFocusBox.
update void update(Node current, Rectangle box, uint depth): Update focus info with the given node. Automatically called when a node is drawn, shouldn't be called manually.

Structs

WithPriority struct WithPriority: Undocumented in source.

Variables

first FluidFocusable first;
last FluidFocusable last;: First and last focusable nodes in the tree.
lastFocusBox Rectangle lastFocusBox;: Available space box of the focused item after last frame.
next FluidFocusable next;: Nodes that may get focus with tab navigation.
positional WithPriority[4] positional;: Focusable nodes, by direction from the focused node.
previous FluidFocusable previous;: Nodes that may get focus with tab navigation.
priority int priority;: Focus priority for the currently drawn node.

Meta

Source

See Implementation

fluid tree classes

TreeAction

structs