mirror of https://github.com/swaywm/sway.git
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#ifndef _SWAY_UTIL_H
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#define _SWAY_UTIL_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <xkbcommon/xkbcommon.h>
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/**
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* Wrap i into the range [0, max[
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*/
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int wrap(int i, int max);
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/**
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* Count number of digits in int
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*/
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int numlen(int n);
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/**
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* Get modifier mask from modifier name.
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*
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* Returns the modifer mask or 0 if the name isn't found.
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*/
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uint32_t get_modifier_mask_by_name(const char *name);
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/**
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* Get modifier name from modifier mask.
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*
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* Returns the modifier name or NULL if it isn't found.
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*/
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const char *get_modifier_name_by_mask(uint32_t modifier);
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/**
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* Get an array of modifier names from modifier_masks
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*
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* Populates the names array and return the number of names added.
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*/
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int get_modifier_names(const char **names, uint32_t modifier_masks);
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/**
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* Get the pid of a parent process given the pid of a child process.
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*
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* Returns the parent pid or NULL if the parent pid cannot be determined.
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*/
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pid_t get_parent_pid(pid_t pid);
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/**
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* Given a string that represents an RGB(A) color, return a uint32_t
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* version of the color.
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*/
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uint32_t parse_color(const char *color);
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/**
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* Given a string that represents a boolean, return the boolean value. This
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* function also takes in the current boolean value to support toggling. If
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* toggling is not desired, pass in true for current so that toggling values
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* get parsed as not true.
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*/
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bool parse_boolean(const char *boolean, bool current);
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/**
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* Given a string that represents a floating point value, return a float.
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* Returns NAN on error.
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*/
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float parse_float(const char *value);
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enum wlr_direction opposite_direction(enum wlr_direction d);
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#endif
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