unleashed-firmware/applications/gui/view_port_i.h
2021-05-19 12:43:15 +03:00

40 lines
910 B
C

#pragma once
#include "gui_i.h"
#include "view_port.h"
struct ViewPort {
Gui* gui;
bool is_enabled;
ViewPortOrientation orientation;
uint8_t width;
uint8_t height;
ViewPortDrawCallback draw_callback;
void* draw_callback_context;
ViewPortInputCallback input_callback;
void* input_callback_context;
};
/*
* Set GUI reference.
* To be used by GUI, called upon view_port tree insert
* @param gui - gui instance pointer.
*/
void view_port_gui_set(ViewPort* view_port, Gui* gui);
/*
* Process draw call. Calls draw callback.
* To be used by GUI, called on tree redraw.
* @param canvas - canvas to draw at.
*/
void view_port_draw(ViewPort* view_port, Canvas* canvas);
/*
* Process input. Calls input callbac
* To be used by GUI, called on input dispatch.
* @param event - pointer to input event.
*/
void view_port_input(ViewPort* view_port, InputEvent* event);