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Hyprland/src/config/ConfigManager.cpp

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C++
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#include "ConfigManager.hpp"
#include "../managers/KeybindManager.hpp"
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <algorithm>
#include <fstream>
#include <iostream>
CConfigManager::CConfigManager() {
configValues["general:max_fps"].intValue = 240;
configValues["general:sensitivity"].floatValue = 0.25f;
configValues["general:main_mod"].strValue = "SUPER"; // exposed to the user for easier configuring
configValues["general:main_mod_internal"].intValue = g_pKeybindManager->stringToModMask("SUPER"); // actually used and automatically calculated
configValues["general:border_size"].intValue = 1;
configValues["general:gaps_in"].intValue = 5;
configValues["general:gaps_out"].intValue = 20;
configValues["general:col.active_border"].intValue = 0xffffffff;
configValues["general:col.inactive_border"].intValue = 0xff444444;
configValues["decoration:rounding"].intValue = 1;
configValues["decoration:blur"].intValue = 1;
configValues["decoration:blur_size"].intValue = 8;
configValues["decoration:blur_passes"].intValue = 1;
configValues["dwindle:pseudotile"].intValue = 0;
configValues["dwindle:col.group_border"].intValue = 0x66777700;
configValues["dwindle:col.group_border_active"].intValue = 0x66ffff00;
configValues["animations:enabled"].intValue = 1;
configValues["animations:speed"].floatValue = 7.f;
configValues["animations:windows_speed"].floatValue = 0.f;
configValues["animations:windows"].intValue = 1;
configValues["animations:borders_speed"].floatValue = 0.f;
configValues["animations:borders"].intValue = 1;
configValues["animations:fadein_speed"].floatValue = 0.f;
configValues["animations:fadein"].intValue = 1;
configValues["input:kb_layout"].strValue = "en";
configValues["input:kb_variant"].strValue = "";
configValues["input:kb_options"].strValue = "";
configValues["input:kb_rules"].strValue = "";
configValues["input:kb_model"].strValue = "";
configValues["input:follow_mouse"].intValue = 1;
configValues["autogenerated"].intValue = 0;
}
void CConfigManager::init() {
loadConfigLoadVars();
const char* const ENVHOME = getenv("HOME");
const std::string CONFIGPATH = ENVHOME + (ISDEBUG ? (std::string) "/.config/hypr/hyprlandd.conf" : (std::string) "/.config/hypr/hyprland.conf");
struct stat fileStat;
int err = stat(CONFIGPATH.c_str(), &fileStat);
if (err != 0) {
Debug::log(WARN, "Error at statting config, error %i", errno);
}
lastModifyTime = fileStat.st_mtime;
isFirstLaunch = false;
}
void CConfigManager::configSetValueSafe(const std::string& COMMAND, const std::string& VALUE) {
if (configValues.find(COMMAND) == configValues.end()) {
parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">: No such field.";
return;
}
auto& CONFIGENTRY = configValues.at(COMMAND);
if (CONFIGENTRY.intValue != -1) {
try {
if (VALUE.find("0x") == 0) {
// Values with 0x are hex
const auto VALUEWITHOUTHEX = VALUE.substr(2);
CONFIGENTRY.intValue = stol(VALUEWITHOUTHEX, nullptr, 16);
} else
CONFIGENTRY.intValue = stol(VALUE);
} catch (...) {
Debug::log(WARN, "Error reading value of %s", COMMAND.c_str());
parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">.";
}
} else if (CONFIGENTRY.floatValue != -1) {
try {
CONFIGENTRY.floatValue = stof(VALUE);
} catch (...) {
Debug::log(WARN, "Error reading value of %s", COMMAND.c_str());
parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">.";
}
} else if (CONFIGENTRY.strValue != "") {
try {
CONFIGENTRY.strValue = VALUE;
} catch (...) {
Debug::log(WARN, "Error reading value of %s", COMMAND.c_str());
parseError = "Error setting value <" + VALUE + "> for field <" + COMMAND + ">.";
}
}
}
void CConfigManager::handleRawExec(const std::string& command, const std::string& args) {
// Exec in the background dont wait for it.
if (fork() == 0) {
execl("/bin/sh", "/bin/sh", "-c", args.c_str(), nullptr);
_exit(0);
}
}
void CConfigManager::handleMonitor(const std::string& command, const std::string& args) {
// get the monitor config
SMonitorRule newrule;
std::string curitem = "";
std::string argZ = args;
auto nextItem = [&]() {
auto idx = argZ.find_first_of(',');
if (idx != std::string::npos) {
curitem = argZ.substr(0, idx);
argZ = argZ.substr(idx + 1);
} else {
curitem = argZ;
argZ = "";
}
};
nextItem();
newrule.name = curitem;
nextItem();
if (curitem == "disable") {
newrule.disabled = true;
m_dMonitorRules.push_back(newrule);
return;
}
newrule.resolution.x = stoi(curitem.substr(0, curitem.find_first_of('x')));
newrule.resolution.y = stoi(curitem.substr(curitem.find_first_of('x') + 1, curitem.find_first_of('@')));
if (curitem.find_first_of('@') != std::string::npos)
newrule.refreshRate = stof(curitem.substr(curitem.find_first_of('@') + 1));
nextItem();
newrule.offset.x = stoi(curitem.substr(0, curitem.find_first_of('x')));
newrule.offset.y = stoi(curitem.substr(curitem.find_first_of('x') + 1));
nextItem();
newrule.mfact = stof(curitem);
nextItem();
newrule.scale = stof(curitem);
m_dMonitorRules.push_back(newrule);
}
void CConfigManager::handleBind(const std::string& command, const std::string& value) {
// example:
// bind=SUPER,G,exec,dmenu_run <args>
auto valueCopy = value;
const auto MOD = g_pKeybindManager->stringToModMask(valueCopy.substr(0, valueCopy.find_first_of(",")));
valueCopy = valueCopy.substr(valueCopy.find_first_of(",") + 1);
const auto KEY = valueCopy.substr(0, valueCopy.find_first_of(","));
valueCopy = valueCopy.substr(valueCopy.find_first_of(",") + 1);
const auto HANDLER = valueCopy.substr(0, valueCopy.find_first_of(","));
valueCopy = valueCopy.substr(valueCopy.find_first_of(",") + 1);
const auto COMMAND = valueCopy;
if (KEY != "")
g_pKeybindManager->addKeybind(SKeybind{KEY, MOD, HANDLER, COMMAND});
}
void CConfigManager::handleWindowRule(const std::string& command, const std::string& value) {
const auto RULE = value.substr(0, value.find_first_of(","));
const auto VALUE = value.substr(value.find_first_of(",") + 1);
// check rule and value
if (RULE == "" || VALUE == "") {
return;
}
// verify we support a rule
if (RULE != "float"
&& RULE != "tile"
&& RULE.find("move") != 0
&& RULE.find("size") != 0
&& RULE.find("pseudo") != 0
&& RULE.find("monitor") != 0) {
Debug::log(ERR, "Invalid rule found: %s", RULE.c_str());
parseError = "Invalid rule found: " + RULE;
return;
}
m_dWindowRules.push_back({RULE, VALUE});
}
void CConfigManager::handleDefaultWorkspace(const std::string& command, const std::string& value) {
const auto DISPLAY = value.substr(0, value.find_first_of(','));
const auto WORKSPACEID = stoi(value.substr(value.find_first_of(',') + 1));
for (auto& mr : m_dMonitorRules) {
if (mr.name == DISPLAY) {
mr.defaultWorkspaceID = WORKSPACEID;
break;
}
}
}
void CConfigManager::parseLine(std::string& line) {
// first check if its not a comment
const auto COMMENTSTART = line.find_first_of('#');
if (COMMENTSTART == 0)
return;
// now, cut the comment off
if (COMMENTSTART != std::string::npos)
line = line.substr(0, COMMENTSTART);
// remove shit at the beginning
while (line[0] == ' ' || line[0] == '\t') {
line = line.substr(1);
}
if (line.find(" {") != std::string::npos) {
auto cat = line.substr(0, line.find(" {"));
transform(cat.begin(), cat.end(), cat.begin(), ::tolower);
currentCategory = cat;
return;
}
if (line.find("}") != std::string::npos && currentCategory != "") {
currentCategory = "";
return;
}
// And parse
// check if command
const auto EQUALSPLACE = line.find_first_of('=');
if (EQUALSPLACE == std::string::npos)
return;
const auto COMMAND = line.substr(0, EQUALSPLACE);
const auto VALUE = line.substr(EQUALSPLACE + 1);
if (COMMAND == "exec") {
if (isFirstLaunch) {
firstExecRequests.push_back(VALUE);
} else {
handleRawExec(COMMAND, VALUE);
}
return;
} else if (COMMAND == "exec-once") {
if (isFirstLaunch) {
firstExecRequests.push_back(VALUE);
}
return;
} else if (COMMAND == "monitor") {
handleMonitor(COMMAND, VALUE);
return;
} else if (COMMAND == "bind") {
handleBind(COMMAND, VALUE);
return;
} else if (COMMAND == "workspace") {
handleDefaultWorkspace(COMMAND, VALUE);
return;
} else if (COMMAND == "windowrule") {
handleWindowRule(COMMAND, VALUE);
return;
}
configSetValueSafe(currentCategory + (currentCategory == "" ? "" : ":") + COMMAND, VALUE);
}
void CConfigManager::loadConfigLoadVars() {
Debug::log(LOG, "Reloading the config!");
parseError = ""; // reset the error
currentCategory = ""; // reset the category
configValues["autogenerated"].intValue = 0; // reset autogenerated status
m_dMonitorRules.clear();
m_dWindowRules.clear();
g_pKeybindManager->clearKeybinds();
const char* const ENVHOME = getenv("HOME");
const std::string CONFIGPATH = ENVHOME + (ISDEBUG ? (std::string) "/.config/hypr/hyprlandd.conf" : (std::string) "/.config/hypr/hyprland.conf");
std::ifstream ifs;
ifs.open(CONFIGPATH);
if (!ifs.good()) {
Debug::log(WARN, "Config reading error. (No file? Attempting to generate, backing up old one if exists)");
try {
std::filesystem::rename(CONFIGPATH, CONFIGPATH + ".backup");
} catch(...) { /* Probably doesn't exist */}
std::ofstream ofs;
ofs.open(CONFIGPATH, std::ios::trunc);
ofs << AUTOCONFIG;
ofs.close();
ifs.open(CONFIGPATH);
if (!ifs.good()) {
parseError = "Broken config file! (Could not open)";
return;
}
}
std::string line = "";
int linenum = 1;
if (ifs.is_open()) {
while (std::getline(ifs, line)) {
// Read line by line.
try {
parseLine(line);
} catch (...) {
Debug::log(ERR, "Error reading line from config. Line:");
Debug::log(NONE, "%s", line.c_str());
parseError += "Config error at line " + std::to_string(linenum) + ": Line parsing error.";
}
if (parseError != "" && parseError.find("Config error at line") != 0) {
parseError = "Config error at line " + std::to_string(linenum) + ": " + parseError;
}
++linenum;
}
ifs.close();
}
for (auto& m : g_pCompositor->m_lMonitors)
g_pLayoutManager->getCurrentLayout()->recalculateMonitor(m.ID);
// Update the keyboard layout to the cfg'd one if this is not the first launch
if (!isFirstLaunch)
g_pInputManager->setKeyboardLayout();
// Calculate the mod mask for main_mod
configValues["general:main_mod_internal"].intValue = g_pKeybindManager->stringToModMask(configValues["general:main_mod"].strValue);
// parseError will be displayed next frame
if (parseError != "")
g_pHyprError->queueCreate(parseError + "\nHyprland may not work correctly.", CColor(255, 50, 50, 255));
else if (configValues["autogenerated"].intValue == 1)
g_pHyprError->queueCreate("Warning: You're using an autogenerated config! (config file: " + CONFIGPATH + " )\nSUPER+Enter -> kitty\nSUPER+T -> Alacritty\nSUPER+M -> exit Hyprland", CColor(255, 255, 70, 255));
else
g_pHyprError->destroy();
}
void CConfigManager::tick() {
const char* const ENVHOME = getenv("HOME");
const std::string CONFIGPATH = ENVHOME + (ISDEBUG ? (std::string) "/.config/hypr/hyprlandd.conf" : (std::string) "/.config/hypr/hyprland.conf");
if (!std::filesystem::exists(CONFIGPATH)) {
loadConfigLoadVars();
return;
}
struct stat fileStat;
int err = stat(CONFIGPATH.c_str(), &fileStat);
if (err != 0) {
Debug::log(WARN, "Error at ticking config at %s, error %i: %s", CONFIGPATH.c_str(), err, strerror(err));
return;
}
// check if we need to reload cfg
if (fileStat.st_mtime != lastModifyTime) {
lastModifyTime = fileStat.st_mtime;
loadConfigLoadVars();
}
}
std::mutex configmtx;
SConfigValue CConfigManager::getConfigValueSafe(std::string val) {
std::lock_guard<std::mutex> lg(configmtx);
SConfigValue copy = configValues[val];
return copy;
}
int CConfigManager::getInt(std::string v) {
return getConfigValueSafe(v).intValue;
}
float CConfigManager::getFloat(std::string v) {
return getConfigValueSafe(v).floatValue;
}
std::string CConfigManager::getString(std::string v) {
return getConfigValueSafe(v).strValue;
}
void CConfigManager::setInt(std::string v, int val) {
configValues[v].intValue = val;
}
void CConfigManager::setFloat(std::string v, float val) {
configValues[v].floatValue = val;
}
void CConfigManager::setString(std::string v, std::string val) {
configValues[v].strValue = val;
}
SMonitorRule CConfigManager::getMonitorRuleFor(std::string name) {
SMonitorRule* found = nullptr;
for (auto& r : m_dMonitorRules) {
if (r.name == name) {
found = &r;
break;
}
}
if (found)
return *found;
Debug::log(WARN, "No rule found for %s, trying to use the first.", name.c_str());
for (auto& r : m_dMonitorRules) {
if (r.name == "") {
found = &r;
break;
}
}
if (found)
return *found;
Debug::log(WARN, "No rules configured. Using the default hardcoded one.");
return SMonitorRule{.name = "", .resolution = Vector2D(1280, 720), .offset = Vector2D(0, 0), .mfact = 0.5f, .scale = 1};
}
std::vector<SWindowRule> CConfigManager::getMatchingRules(CWindow* pWindow) {
if (!g_pCompositor->windowValidMapped(pWindow))
return std::vector<SWindowRule>();
std::vector<SWindowRule> returns;
std::string title = g_pXWaylandManager->getTitle(pWindow);
std::string appidclass = g_pXWaylandManager->getAppIDClass(pWindow);
for (auto& rule : m_dWindowRules) {
// check if we have a matching rule
try {
std::regex classCheck(rule.szValue);
if (!std::regex_search(title, classCheck) && !std::regex_search(appidclass, classCheck))
continue;
} catch (...) {
Debug::log(ERR, "Regex error at %s", rule.szValue.c_str());
}
// applies. Read the rule and behave accordingly
Debug::log(LOG, "Window rule %s -> %s matched %x [%s]", rule.szRule.c_str(), rule.szValue.c_str(), pWindow, pWindow->m_szTitle.c_str());
returns.push_back(rule);
}
return returns;
}
void CConfigManager::dispatchExecOnce() {
if (firstExecDispatched || isFirstLaunch)
return;
firstExecDispatched = true;
for (auto& c : firstExecRequests) {
handleRawExec("", c);
}
firstExecRequests.clear(); // free some kb of memory :P
}
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