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#ifndef LIBTERM_COMMAND_H
#define LIBTERM_COMMAND_H
#include <libterm/terminal.h>
#include <knob/ipc.h>
#include <keypack.h>
#include <stdbool.h>
#include <stdint.h>
//set to stdio task by default
extern _task_handle_t term_task;
struct terminal_command {
enum {
SET_DIMENSIONS,
GET_DIMENSIONS,
PAINT,
CLEAR,
SET_COLOR,
SET_CURSOR,
CURSOR_LEFT,
CURSOR_RIGHT,
CURSOR_UP,
CURSOR_DOWN,
ADD_CHAR,
ADD_SN,
ADD_SN_NO_WORDWRAP,
GET_KEY
} kind;
union {
struct {
uint32_t y;
uint32_t x;
} as_coords;
struct {
_pixel_t fg;
_pixel_t bg;
} as_color;
char as_char;
uint32_t as_uint;
};
} __attribute__ ((__packed__));
union terminal_response {
struct {
uint32_t y;
uint32_t x;
} as_coords;
struct key_packet as_key;
} __attribute__ ((__packed__));
//returns false if terminal has died
static inline bool try_send_command(struct terminal_command *cmd) {
return try_send_ipc(term_task, cmd, sizeof(struct terminal_command))
== sizeof(struct terminal_command);
}
//returns false if terminal has died
static inline bool try_get_response(union terminal_response *rs) {
return try_read_ipc(term_task, rs, sizeof(union terminal_response))
== sizeof(union terminal_response);
}
#endif
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