1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#ifndef WIDGET_H
#define WIDGET_H
#include "graphics_context.h"
typedef struct {
void (*draw)( void *obj, graphics_context_t *context );
void (*get_focus)( void *obj );
void (*widget_model_to_screen)( void *obj, int *x, int *y );
void (*on_mouse_down)( void *obj, const int x, const int y );
void (*on_mouse_up)( void *obj, const int x, const int y );
void (*on_mouse_move)( void *obj, const int old_x, const int old_y, const int x, const int y );
void (*on_key_down)( void *obj, char c );
} widget_vtable_t;
typedef struct widget_t {
int x;
int y;
int w;
int h;
struct widget_t *parent;
widget_vtable_t *vtable;
} widget_t;
void widget_init( widget_t *widget, widget_t *parent, const int x, const int y, const int w, const int h );
void widget_draw( void *obj, graphics_context_t *context );
#endif // WIDGET_H
|
