80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
#ifndef INPUT_H
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#define INPUT_H
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// NOTE: KEY_STATE_RELEASED does not imply KEY_STATE_UNPRESSED, which can be funky. Maybe give this another look?
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typedef enum {
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KEY_STATE_UNPRESSED = 0,
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KEY_STATE_RELEASED = 1,
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KEY_STATE_PRESSED = 1 << 1,
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KEY_STATE_HELD = 1 << 2
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} key_state_t;
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typedef enum {
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KEYBOARD_STATE_UNPLUGGED = 0,
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KEYBOARD_STATE_UNFOCUSED = 1,
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KEYBOARD_STATE_FOCUSED = 1 << 1,
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KEYBOARD_STATE_IME = 1 << 2
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} keyboard_state_t;
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typedef enum {
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MOUSE_STATE_UNPLUGGED = 0,
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MOUSE_STATE_UNFOCUSED = 1,
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MOUSE_STATE_FOCUSED = 1 << 1
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} mouse_state_t;
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typedef enum {
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MOUSE_KEY_LEFT = 0,
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MOUSE_KEY_RIGHT = 1,
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MOUSE_KEY_MIDDLE = 2,
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MOUSE_KEY_SIDE = 3,
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MOUSE_KEY_EXTRA = 4,
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MOUSE_KEY_FORWARD = 5,
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MOUSE_KEY_BACK = 6,
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MOUSE_KEY_TASK = 7,
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MOUSE_KEY_EXTRA_0 = 8,
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MOUSE_KEY_EXTRA_1 = 9,
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MOUSE_KEY_EXTRA_2 = 10,
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MOUSE_KEY_EXTRA_3 = 11,
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MOUSE_KEY_EXTRA_4 = 12,
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MOUSE_KEY_EXTRA_5 = 13,
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MOUSE_KEY_EXTRA_6 = 14,
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MOUSE_KEY_EXTRA_7 = 15,
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MOUSE_KEY_EXTRA_8 = 16,
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MOUSE_KEY_EXTRA_9 = 17,
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MOUSE_KEY_TOTAL = 18
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} mouse_keysym_t;
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#define IME_STR_MAX 200 // TODO: check if this limit is sensible
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typedef struct {
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uint8_t keyboard_state; // mostly used to check if we are using the IME
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uint8_t keys[256]; // the state of the full keyboard
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uint8_t mouse_state;
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int32_t mouse_x;
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int32_t mouse_y;
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uint8_t mouse_keys[MOUSE_KEY_TOTAL];
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uint32_t modifiers; // TODO: Decide on a format for keyboard mod keys
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uint8_t ime_str[IME_STR_MAX]; // the final string coming from the IME for text input fields as utf8
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} input_t;
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int32_t is_key_down(input_t *i, uint8_t key)
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{
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return i->keys[key] & KEY_STATE_PRESSED;
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}
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int32_t is_key_pressed(input_t *i, uint8_t key)
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{
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return i->keys[key] & KEY_STATE_PRESSED && !(i->keys[key] & KEY_STATE_HELD);
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}
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int32_t is_key_held(input_t *i, uint8_t key)
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{
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return i->keys[key] & KEY_STATE_HELD;
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}
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int32_t is_key_released(input_t *i, uint8_t key)
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{
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return i->keys[key] & KEY_STATE_RELEASED;
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}
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#endif
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