unleashed-firmware/applications/gui/widget.h
2020-10-15 11:32:48 +03:00

30 lines
841 B
C

#pragma once
#include <input/input.h>
typedef struct GUI GUI;
typedef struct Canvas Canvas;
typedef struct {
void* gui;
bool is_enabled;
WidgetDrawCallback draw_callback;
void* draw_callback_context;
WidgetInputCallback input_callback;
void* input_callback_context;
} Widget;
typedef void (*WidgetDrawCallback)(Canvas* canvas, void* context);
typedef void (*WidgetInputCallback)(InputEvent* event, void* context);
Widget* widget_alloc();
void widget_free(Widget* widget);
void widget_enabled_set(Widget* widget, bool enabled);
bool widget_is_enabled(Widget* widget);
void widget_draw_callback_set(Widget* widget, WidgetDrawCallback callback, void* context);
void widget_input_callback_set(Widget* widget, WidgetInputCallback callback, void* context);
// emit update signal
void widget_update(Widget* widget);