summaryrefslogtreecommitdiff
path: root/src/binding.h
blob: f00efed28b570b652c026ac901523c55c5355042 (plain)
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
#include "keyboard.h"

struct keymap {
  const char *name;
  struct binding *bindings;
  uint32_t nbindings;
  uint32_t capacity;
};

enum binding_type { BindingType_Command, BindingType_Keymap };

#define BINDING(mod_, c_, command_)                                            \
  (struct binding) {                                                           \
    .key = {.mod = mod_, .bytes[0] = c_, .nbytes = 1},                         \
    .type = BindingType_Command, .command = hash_command_name(command_)        \
  }

#define PREFIX(mod_, c_, keymap_)                                              \
  (struct binding) {                                                           \
    .key = {.mod = mod_, .bytes[0] = c_, .nbytes = 1},                         \
    .type = BindingType_Keymap, .keymap = keymap_                              \
  }

struct binding {
  struct key key;

  uint8_t type;

  union {
    uint32_t command;
    struct keymap *keymap;
  };
};

struct lookup_result {
  bool found;
  uint8_t type;
  union {
    struct command *command;
    struct keymap *keymap;
  };
};

struct commands;

struct keymap keymap_create(const char *name, uint32_t capacity);
void keymap_bind_keys(struct keymap *keymap, struct binding *bindings,
                      uint32_t nbindings);
void keymap_destroy(struct keymap *keymap);

struct lookup_result lookup_key(struct keymap *keymaps, uint32_t nkeymaps,
                                struct key *key, struct commands *commands);