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#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wlc/wlc.h>
#include <xkbcommon/xkbcommon-names.h>
#include "log.h"
#include "readline.h"
#include "util.h"
int wrap(int i, int max) {
return ((i % max) + max) % max;
}
int numlen(int n) {
if (n == 0) {
return 1;
}
return log10(n) + 1;
}
static struct modifier_key {
char *name;
uint32_t mod;
} modifiers[] = {
{ XKB_MOD_NAME_SHIFT, WLC_BIT_MOD_SHIFT },
{ XKB_MOD_NAME_CAPS, WLC_BIT_MOD_CAPS },
{ XKB_MOD_NAME_CTRL, WLC_BIT_MOD_CTRL },
{ "Ctrl", WLC_BIT_MOD_CTRL },
{ XKB_MOD_NAME_ALT, WLC_BIT_MOD_ALT },
{ "Alt", WLC_BIT_MOD_ALT },
{ XKB_MOD_NAME_NUM, WLC_BIT_MOD_MOD2 },
{ "Mod3", WLC_BIT_MOD_MOD3 },
{ XKB_MOD_NAME_LOGO, WLC_BIT_MOD_LOGO },
{ "Mod5", WLC_BIT_MOD_MOD5 },
};
uint32_t get_modifier_mask_by_name(const char *name) {
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if (strcasecmp(modifiers[i].name, name) == 0) {
return modifiers[i].mod;
}
}
return 0;
}
const char *get_modifier_name_by_mask(uint32_t modifier) {
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if (modifiers[i].mod == modifier) {
return modifiers[i].name;
}
}
return NULL;
}
int get_modifier_names(const char **names, uint32_t modifier_masks) {
int length = 0;
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if ((modifier_masks & modifiers[i].mod) != 0) {
names[length] = modifiers[i].name;
++length;
modifier_masks ^= modifiers[i].mod;
}
}
return length;
}
pid_t get_parent_pid(pid_t child) {
pid_t parent = -1;
char file_name[100];
char *buffer = NULL;
char *token = NULL;
const char *sep = " ";
FILE *stat = NULL;
sprintf(file_name, "/proc/%d/stat", child);
if ((stat = fopen(file_name, "r"))) {
if ((buffer = read_line(stat))) {
token = strtok(buffer, sep); // pid
token = strtok(NULL, sep); // executable name
token = strtok(NULL, sep); // state
token = strtok(NULL, sep); // parent pid
parent = strtol(token, NULL, 10);
}
fclose(stat);
}
if (parent) {
return (parent == child) ? -1 : parent;
}
return -1;
}
uint32_t parse_color(const char *color) {
if (color[0] == '#') {
++color;
}
int len = strlen(color);
if (len != 6 && len != 8) {
sway_log(L_DEBUG, "Invalid color %s, defaulting to color 0xFFFFFFFF", color);
return 0xFFFFFFFF;
}
uint32_t res = (uint32_t)strtoul(color, NULL, 16);
if (strlen(color) == 6) {
res = (res << 8) | 0xFF;
}
return res;
}
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