From ac5f7b038d5ac589d32f5ae18f9745bfe5200618 Mon Sep 17 00:00:00 2001
From: Ed Younis <edyounis123@gmail.com>
Date: Sun, 16 Jul 2023 18:44:16 -0400
Subject: [PATCH] Added support for XDG_CONFIG_HOME (#62)

* Added support for XDG_CONFIG_HOME

* Style fixes and null check
---
 src/config/ConfigManager.cpp | 34 +++++++++++++++++++---------------
 src/config/ConfigManager.hpp |  1 +
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index c7faadb..f82e1b7 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -6,23 +6,13 @@ CConfigManager::CConfigManager() {
     // Read file from default location
     // or from an explicit location given by user
 
-    std::string configPath;
-    if (g_pHyprpaper->m_szExplicitConfigPath.empty()) {
-        const char* const ENVHOME = getenv("HOME");
-        configPath = ENVHOME + std::string("/.config/hypr/hyprpaper.conf");
-    } else {
-        configPath = g_pHyprpaper->m_szExplicitConfigPath;
-    }
+    std::string configPath = getMainConfigPath();
 
     std::ifstream ifs;
     ifs.open(configPath);
 
     if (!ifs.good()) {
-        if (g_pHyprpaper->m_szExplicitConfigPath.empty()) {
-            Debug::log(CRIT, "No config file provided. Default config file `~/.config/hypr/hyprpaper.conf` couldn't be opened.");
-        } else {
-            Debug::log(CRIT, "No config file provided. Specified file `%s` couldn't be opened.", configPath.c_str());
-        }
+        Debug::log(CRIT, "Config file `%s` couldn't be opened.", configPath.c_str());
         exit(1);
     }
 
@@ -58,6 +48,20 @@ CConfigManager::CConfigManager() {
     }
 }
 
+std::string CConfigManager::getMainConfigPath() {
+    if (!g_pHyprpaper->m_szExplicitConfigPath.empty())
+        return g_pHyprpaper->m_szExplicitConfigPath;
+
+    static const char* xdgConfigHome = getenv("XDG_CONFIG_HOME");
+    std::string configPath;
+    if (!xdgConfigHome)
+        configPath = getenv("HOME") + std::string("/.config");
+    else
+        configPath = xdgConfigHome;
+
+    return configPath + "/hypr/hyprpaper.conf";
+}
+
 std::string CConfigManager::removeBeginEndSpacesTabs(std::string str) {
     while (str[0] == ' ' || str[0] == '\t') {
         str = str.substr(1);
@@ -184,10 +188,10 @@ void CConfigManager::handleUnload(const std::string& COMMAND, const std::string&
 void CConfigManager::handleUnloadAll(const std::string& COMMAND, const std::string& VALUE) {
     std::vector<std::string> toUnload;
 
-    for (auto&[name, target] : g_pHyprpaper->m_mWallpaperTargets) {
+    for (auto& [name, target] : g_pHyprpaper->m_mWallpaperTargets) {
 
         bool exists = false;
-        for (auto&[mon, target2] : g_pHyprpaper->m_mMonitorActiveWallpaperTargets) {
+        for (auto& [mon, target2] : g_pHyprpaper->m_mMonitorActiveWallpaperTargets) {
             if (&target == target2) {
                 exists = true;
                 break;
@@ -206,7 +210,7 @@ void CConfigManager::handleUnloadAll(const std::string& COMMAND, const std::stri
 
 // trim from both ends
 std::string CConfigManager::trimPath(std::string path) {
-    //trims whitespaces, tabs and new line feeds
+    // trims whitespaces, tabs and new line feeds
     size_t pathStartIndex = path.find_first_not_of(" \t\r\n");
     size_t pathEndIndex = path.find_last_not_of(" \t\r\n");
     return path.substr(pathStartIndex, pathEndIndex - pathStartIndex + 1);
diff --git a/src/config/ConfigManager.hpp b/src/config/ConfigManager.hpp
index 6bf06f4..b424b61 100644
--- a/src/config/ConfigManager.hpp
+++ b/src/config/ConfigManager.hpp
@@ -9,6 +9,7 @@ public:
     CConfigManager();
 
     std::deque<std::string> m_dRequestedPreloads;
+    std::string getMainConfigPath();
 
 private:
     std::string parseError;