UIGridLayout

Class

Source: UIGridLayout.h

Inherits from: UILayout

Description

Grid layout container for organizing elements in a matrix.

Organizes UI elements in a fixed grid of rows and columns. Supports navigation in 4 directions (UP/DOWN/LEFT/RIGHT) and automatic positioning based on grid coordinates.

Inheritance

UILayout → UIGridLayout

Methods

void setColumns(uint8_t cols)

Description:

Sets the number of columns in the grid.

Parameters:

• cols: Number of columns (must be > 0).

uint8_t getColumns() const

Description:

Gets the number of columns.

Returns: Number of columns.

uint8_t getRows() const

Description:

Gets the number of rows (calculated).

Returns: Number of rows.

int getSelectedIndex() const

Description:

Gets the currently selected element index.

Returns: Selected index, or -1 if none selected.

void setSelectedIndex(int index)

Description:

Sets the selected element index.

Parameters:

• index: Index to select (-1 to deselect).

UIElement* getSelectedElement() const

Description:

Gets the selected element.

Returns: Pointer to selected element, or nullptr if none selected.

void calculateRows()

Description:

Calculates the number of rows based on element count and columns.

void calculateCellDimensions()

Description:

Calculates cell dimensions based on layout size and grid configuration.