swayfx/include/util.h

48 lines
997 B
C

#ifndef _SWAY_UTIL_H
#define _SWAY_UTIL_H
#include <stdint.h>
#include <unistd.h>
#include <wlc/wlc.h>
#include <xkbcommon/xkbcommon.h>
/**
* Wrap i into the range [0, max[
*/
int wrap(int i, int max);
/**
* Count number of digits in int
*/
int numlen(int n);
/**
* Get modifier mask from modifier name.
*
* Returns the modifer mask or 0 if the name isn't found.
*/
uint32_t get_modifier_mask_by_name(const char *name);
/**
* Get modifier name from modifier mask.
*
* Returns the modifier name or NULL if it isn't found.
*/
const char *get_modifier_name_by_mask(uint32_t modifier);
/**
* Get an array of modifier names from modifier_masks
*
* Populates the names array and return the number of names added.
*/
int get_modifier_names(const char **names, uint32_t modifier_masks);
/**
* Get the pid of a parent process given the pid of a child process.
*
* Returns the parent pid or NULL if the parent pid cannot be determined.
*/
pid_t get_parent_pid(pid_t pid);
#endif