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#define _XOPEN_SOURCE 700
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <float.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <xkbcommon/xkbcommon-names.h>
#include <wlr/types/wlr_keyboard.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, WLR_MODIFIER_SHIFT },
{ XKB_MOD_NAME_CAPS, WLR_MODIFIER_CAPS },
{ XKB_MOD_NAME_CTRL, WLR_MODIFIER_CTRL },
{ "Ctrl", WLR_MODIFIER_CTRL },
{ XKB_MOD_NAME_ALT, WLR_MODIFIER_ALT },
{ "Alt", WLR_MODIFIER_ALT },
{ XKB_MOD_NAME_NUM, WLR_MODIFIER_MOD2 },
{ "Mod3", WLR_MODIFIER_MOD3 },
{ XKB_MOD_NAME_LOGO, WLR_MODIFIER_LOGO },
{ "Mod5", WLR_MODIFIER_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);
}
free(buffer);
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) {
wlr_log(WLR_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;
}
bool parse_boolean(const char *boolean, bool current) {
if (strcasecmp(boolean, "1") == 0
|| strcasecmp(boolean, "yes") == 0
|| strcasecmp(boolean, "on") == 0
|| strcasecmp(boolean, "true") == 0
|| strcasecmp(boolean, "enable") == 0
|| strcasecmp(boolean, "enabled") == 0
|| strcasecmp(boolean, "active") == 0) {
return true;
} else if (strcasecmp(boolean, "toggle") == 0) {
return !current;
}
// All other values are false to match i3
return false;
}
float parse_float(const char *value) {
errno = 0;
char *end;
float flt = strtof(value, &end);
if (*end || errno) {
wlr_log(WLR_DEBUG, "Invalid float value '%s', defaulting to NAN", value);
return NAN;
}
return flt;
}
enum wlr_direction opposite_direction(enum wlr_direction d) {
switch (d) {
case WLR_DIRECTION_UP:
return WLR_DIRECTION_DOWN;
case WLR_DIRECTION_DOWN:
return WLR_DIRECTION_UP;
case WLR_DIRECTION_RIGHT:
return WLR_DIRECTION_LEFT;
case WLR_DIRECTION_LEFT:
return WLR_DIRECTION_RIGHT;
}
assert(false);
return 0;
}
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