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#ifndef COMET_BLOCK_H
#define COMET_BLOCK_H
#include <stddef.h>
#include <stdbool.h>
#include <time.h>
#include "event.h"
#include "util.h"
#include "layout.h"
// Element or text alignment
//
typedef enum {
ALIGN_LEFT,
ALIGN_CENTER,
ALIGN_RIGHT,
} align_t;
// Block type identifier
//
typedef enum {
BLOCK_TEXT,
BLOCK_GROUP,
BLOCK_SPEC,
} block_type_t;
typedef struct block block_t;
// Triggered when an event is directed towards the block
//
typedef void (*block_event_t)(block_t *block, event_t event);
// Regularly called depending on the inverval passed from the last update
//
typedef void (*block_update_t)(block_t *block);
// Called to cleanup a block and free its memory
//
typedef void (*block_clean_t)(block_t *block);
// Called in layout_init
//
typedef void (*block_layout_t)(block_t *block, layout_t *layout, layout_info_t info);
// Called in layout_render
//
typedef void (*block_render_t)(layout_t *layout, cairo_t *cr);
// Called in config_resolve_children
//
typedef struct config config_t;
typedef bool (*block_resolve_t)(block_t *block, config_t *config);
// The block struct
//
struct block {
block_type_t type;
char *label;
bool resolved;
bool hidden;
struct timespec update_interval;
struct timespec update_last;
block_update_t update_fn;
block_event_t event_fn;
block_clean_t clean_fn;
// TODO
//gradient_t bg_color;
//gradient_t line_color;
color_t color;
color_t line_color;
unsigned int line_width;
unsigned int x_padding, y_padding;
unsigned int min_width, max_width;
};
typedef struct {
block_t block;
char *text;
color_t text_color;
align_t text_align;
unsigned int text_size;
} block_text_t;
typedef struct {
block_t block;
unsigned int spacing;
size_t n_children;
struct block **children;
bool collapse;
} block_group_t;
typedef struct {
block_t block;
block_layout_t layout_fn;
block_render_t render_fn;
block_resolve_t resolve_fn;
} block_spec_t;
void block_update(block_t *block);
void block_copy(block_t *copy, const block_t *block);
void block_free(block_t *block);
#endif
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