unleashed-firmware/applications/gui/widget_i.h
あく d3ff787864
GUI: abolish API injection into instances. (#265)
* GUI: abolish API injection into instances. Update usage by 3rd party apps.
* GUI: update documentation. Cleanup api usage. Adjust status bar item spacing.
2020-12-14 13:50:32 +03:00

39 lines
837 B
C

#pragma once
#include "gui_i.h"
#include "widget.h"
struct Widget {
Gui* gui;
bool is_enabled;
uint8_t width;
uint8_t height;
WidgetDrawCallback draw_callback;
void* draw_callback_context;
WidgetInputCallback input_callback;
void* input_callback_context;
};
/*
* Set GUI reference.
* To be used by GUI, called upon widget tree insert
* @param gui - gui instance pointer.
*/
void widget_gui_set(Widget* widget, Gui* gui);
/*
* Process draw call. Calls draw callback.
* To be used by GUI, called on tree redraw.
* @param canvas - canvas to draw at.
*/
void widget_draw(Widget* widget, Canvas* canvas);
/*
* Process input. Calls input callbac
* To be used by GUI, called on input dispatch.
* @param event - pointer to input event.
*/
void widget_input(Widget* widget, InputEvent* event);