keymap.h

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#pragma once
 
#include "defines.h"
#include "input.h"
 
typedef enum keymap_modifier_bits {
    KEYMAP_MODIFIER_NONE_BIT = 0x0,
    KEYMAP_MODIFIER_SHIFT_BIT = 0x1,
    KEYMAP_MODIFIER_CONTROL_BIT = 0x2,
    KEYMAP_MODIFIER_ALT_BIT = 0x4,
} keymap_modifier_bits;
 
typedef u32 keymap_modifier;
 
typedef enum keymap_entry_bind_type {
    KEYMAP_BIND_TYPE_UNDEFINED = 0x0,
    KEYMAP_BIND_TYPE_PRESS = 0x1,
    KEYMAP_BIND_TYPE_RELEASE = 0x2,
    KEYMAP_BIND_TYPE_HOLD = 0x4,
    KEYMAP_BIND_TYPE_UNSET = 0x8
} keymap_entry_bind_type;
 
typedef void (*PFN_keybind_callback)(keys key, keymap_entry_bind_type type, keymap_modifier modifiers, void* user_data);
 
typedef struct keymap_binding {
    keymap_entry_bind_type type;
    keymap_modifier modifiers;
    PFN_keybind_callback callback;
    void* user_data;
    struct keymap_binding* next;
} keymap_binding;
 
typedef struct keymap_entry {
    keys key;
    keymap_binding* bindings;
} keymap_entry;
 
typedef struct keymap {
    b8 overrides_all;
    keymap_entry entries[KEYS_MAX_KEYS];
} keymap;
 
KAPI keymap keymap_create(void);
 
KAPI void keymap_binding_add(keymap* map, keys key, keymap_entry_bind_type type, keymap_modifier modifiers, void* user_data, PFN_keybind_callback callback);
 
KAPI void keymap_binding_remove(keymap* map, keys key, keymap_entry_bind_type type, keymap_modifier modifiers, PFN_keybind_callback callback);
 
KAPI void keymap_clear(keymap* map);