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// SPDX-License-Identifier: MIT
// Keyboard bindings.
// Copyright (C) 2023 Artem Senichev <artemsen@gmail.com>
#pragma once
#include "action.h"
#include "config.h"
#include <xkbcommon/xkbcommon.h>
// Key modifiers
#define KEYMOD_CTRL (1 << 0)
#define KEYMOD_ALT (1 << 1)
#define KEYMOD_SHIFT (1 << 2)
// Virtual mouse keys
#define MOUSE_BTN_LEFT (1UL << 0)
#define MOUSE_BTN_RIGHT (1UL << 1)
#define MOUSE_BTN_MIDDLE (1UL << 2)
#define MOUSE_BTN_SIDE (1UL << 3)
#define MOUSE_BTN_EXTRA (1UL << 4)
#define MOUSE_SCR_UP (1UL << 5)
#define MOUSE_SCR_DOWN (1UL << 6)
#define MOUSE_SCR_LEFT (1UL << 7)
#define MOUSE_SCR_RIGHT (1UL << 8)
#define MOUSE_XKB_BASE 0xffff0000
#define MOUSE_TO_XKB(m) (MOUSE_XKB_BASE | (m))
#define XKB_TO_MOUSE(x) ((x) & ~MOUSE_XKB_BASE)
/** Key binding list. */
struct keybind {
struct keybind* next; ///< Pointer to the next keybind
xkb_keysym_t key; ///< Keyboard key
uint8_t mods; ///< Key modifiers
struct action* actions; ///< Sequence of action
char* help; ///< Help line with binding description
};
/**
* Load key binding list from configuration.
* @param section config section with key biniding description
* @return pointer to list head or NULL on errors
*/
struct keybind* keybind_load(const struct config* section);
/**
* Free key binding list.
* @param kb head of key binding list
*/
void keybind_free(struct keybind* kb);
/**
* Find binding for the key/mods.
* @param kb head of key binding list
* @param key keyboard key
* @param mods key modifiers (ctrl/alt/shift)
* @return pointer to key binding or NULL if not found
*/
const struct keybind* keybind_find(const struct keybind* kb, xkb_keysym_t key,
uint8_t mods);
/**
* Get key name.
* @param key keyboard key
* @param mods key modifiers (ctrl/alt/shift)
* @return text name of key, caller should free the buffer
*/
char* keybind_name(xkb_keysym_t key, uint8_t mods);
/**
* Get current key modifiers state.
* @param state XKB handle
* @return active key modifiers (ctrl/alt/shift)
*/
uint8_t keybind_mods(struct xkb_state* state);
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