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NumberWindow ​

Functions ​

NumberWindow * number_window_create(const char *label, NumberWindowCallbacks callbacks, void *callback_context)

Creates a new NumberWindow on the heap and initalizes it with the default values.

Parameters ​
  • label: The title or prompt to display in the NumberWindow. Must be long-lived and cannot be stack-allocated.
  • callbacks: The callbacks
  • callback_context: Pointer to application specific data that is passed
Returns ​

A pointer to the NumberWindow. NULL if the NumberWindow could not be created

void number_window_destroy(NumberWindow *number_window)

Destroys a NumberWindow previously created by number_window_create.

void number_window_set_label(NumberWindow *numberwindow, const char *label)

Sets the text of the title or prompt label.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to set the label text
  • label: The new label text. Must be long-lived and cannot be stack-allocated.

void number_window_set_max(NumberWindow *numberwindow, int32_t max)

Sets the maximum value this field can hold.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to set the maximum value
  • max: The maximum value

void number_window_set_min(NumberWindow *numberwindow, int32_t min)

Sets the minimum value this field can hold.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to set the minimum value
  • min: The minimum value

void number_window_set_value(NumberWindow *numberwindow, int32_t value)

Sets the current value of the field.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to set the current value
  • value: The new current value

void number_window_set_step_size(NumberWindow *numberwindow, int32_t step)

Sets the amount by which to increment/decrement by on a button click.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to set the step increment
  • step: The new step increment

int32_t number_window_get_value(const NumberWindow *numberwindow)

Gets the current value.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to get the current value
Returns ​

The current value

Window * number_window_get_window(NumberWindow *numberwindow)

Gets the "root" Window of the number window.

Parameters ​
  • numberwindow: Pointer to the NumberWindow for which to get the "root" Window
Returns ​

The "root" Window of the number window.

Typedefs ​

typedef struct NumberWindow NumberWindow

typedef void(* NumberWindowCallback) (struct NumberWindow *number_window, void *context)

Function signature for NumberWindow callbacks.