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enum layout {
LABEL_WIDTH = 128,
UNIT_WIDTH = 52,
FIELD_WIDTH = 64,
};
enum {
FIELD_SIZE = 64,
NUMBER_SIZE = 128,
NAME_SIZE = 256,
};
/* Field is a floating point number input field. */
typedef struct {
char buf[FIELD_SIZE];
double value;
int invalid;
} w_Field;
void w_init_field(w_Field *f);
int w_field(mu_Context *ctx, w_Field *f);
void w_set_field(w_Field *f, double v);
typedef struct {
int nopts;
const char *const *opts;
int idx; /* index of selected option. */
int oldidx; /* index of previously selected option. */
int active;
} w_Select;
void w_init_select(w_Select *select, int nopts, const char *const opts[]);
int w_select(mu_Context *ctx, w_Select *select);
typedef struct {
const Compressor *comps;
int n; /* len(comps) */
char **names; /* buffer to hold names of compressors. */
char brand_filter[NAME_SIZE];
char series_filter[NAME_SIZE];
char model_filter[NAME_SIZE];
int *filtered; /* indices of compressors accepted by the filter. */
int nfiltered; /* len(filtered) */
int idx; /* index of selected in comps. */
int oldidx; /* index of previously selected. */
int active;
} w_Select_Compressor;
int w_init_select_compressor(w_Select_Compressor *select, int n, const Compressor *const comps);
void w_free_select_compressor(w_Select_Compressor *select);
int w_select_compressor(mu_Context *ctx, w_Select_Compressor *select);
typedef char w_Number[NUMBER_SIZE];
void w_init_number(w_Number num);
void w_set_number(w_Number num, double val);
void w_number(mu_Context *ctx, const w_Number num);
typedef struct {
int id; /* icon id. */
} w_Image;
void w_init_image(w_Image *img);
void w_free_image(w_Image *img);
int w_set_image(w_Image *img, const char *path);
void w_image(mu_Context *ctx, w_Image *img);
typedef struct {
int id; /* renderer canvas id. */
int dirty; /* the canvas must be re-rendered. */
int icon_id; /* renderer icon id. Only valid if !dirty. */
} w_Canvas;
int w_init_canvas(w_Canvas *c, const char *bg_img_path);
void w_free_canvas(w_Canvas *c);
int w_canvas(mu_Context *ctx, w_Canvas *canvas);
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