unleashed-firmware/applications/services/gui/modules/button_panel.h
2022-09-29 05:57:02 +03:00

111 lines
3.3 KiB
C

/**
* @file button_panel.h
* GUI: ButtonPanel view module API
*/
#pragma once
#include <gui/view.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Button panel module descriptor */
typedef struct ButtonPanel ButtonPanel;
/** Callback type to call for handling selecting button_panel items */
typedef void (*ButtonItemCallback)(void* context, uint32_t index);
/** Allocate new button_panel module.
*
* @return ButtonPanel instance
*/
ButtonPanel* button_panel_alloc(void);
/** Free button_panel module.
*
* @param button_panel ButtonPanel instance
*/
void button_panel_free(ButtonPanel* button_panel);
/** Free items from button_panel module. Preallocated matrix stays unchanged.
*
* @param button_panel ButtonPanel instance
*/
void button_panel_reset(ButtonPanel* button_panel);
/** Resets selected_item_x and selected_item_y.
*
* @param button_panel ButtonPanel instance
*/
void button_panel_reset_selection(ButtonPanel* button_panel);
/** Reserve space for adding items.
*
* One does not simply use button_panel_add_item() without this function. It
* should be allocated space for it first.
*
* @param button_panel ButtonPanel instance
* @param reserve_x number of columns in button_panel
* @param reserve_y number of rows in button_panel
*/
void button_panel_reserve(ButtonPanel* button_panel, size_t reserve_x, size_t reserve_y);
/** Add item to button_panel module.
*
* Have to set element in bounds of allocated size by X and by Y.
*
* @param button_panel ButtonPanel instance
* @param index value to pass to callback
* @param matrix_place_x coordinates by x-axis on virtual grid, it
* is only used for navigation
* @param matrix_place_y coordinates by y-axis on virtual grid, it
* is only used for naviagation
* @param x x-coordinate to draw icon on
* @param y y-coordinate to draw icon on
* @param icon_name name of the icon to draw
* @param icon_name_selected name of the icon to draw when current
* element is selected
* @param callback function to call when specific element is
* selected (pressed Ok on selected item)
* @param callback_context context to pass to callback
*/
void button_panel_add_item(
ButtonPanel* button_panel,
uint32_t index,
uint16_t matrix_place_x,
uint16_t matrix_place_y,
uint16_t x,
uint16_t y,
const Icon* icon_name,
const Icon* icon_name_selected,
ButtonItemCallback callback,
void* callback_context);
/** Get button_panel view.
*
* @param button_panel ButtonPanel instance
*
* @return acquired view
*/
View* button_panel_get_view(ButtonPanel* button_panel);
/** Add label to button_panel module.
*
* @param button_panel ButtonPanel instance
* @param x x-coordinate to place label
* @param y y-coordinate to place label
* @param font font to write label with
* @param label_str string label to write
*/
void button_panel_add_label(
ButtonPanel* button_panel,
uint16_t x,
uint16_t y,
Font font,
const char* label_str);
#ifdef __cplusplus
}
#endif