Prefer `$XDG_CONFIG_HOME/ncmpcpp` as a folder with configuration

CHANGELOG.md

@@ -29,6 +29,7 @@
 * Deprecate `visualizer_sync_interval` configuration option.
 * Deprecate `noop` value of `browser_sort_mode` in favor of `none`.
 * Add `type` value of `browser_sort_mode` (set by default).
+* Prefer `$XDG_CONFIG_HOME/ncmpcpp` as a folder with configuration.
 
 # ncmpcpp-0.8.2 (2018-04-11)
 * Help screen: fixed display of EoF keycode

doc/bindings

@@ -1,7 +1,7 @@
 ##############################################################
 ## This is the example bindings file. Copy it to            ##
-## ~/.ncmpcpp/bindings or $XDG_CONFIG_HOME/ncmpcpp/bindings ##
+## $XDG_CONFIG_HOME/ncmpcpp/bindings or ~/.ncmpcpp/bindings ##
-## and set up your preferences                              ##
+## and set up your preferences.                             ##
 ##############################################################
 ##
 ##### General rules #####

doc/config

@@ -1,7 +1,8 @@
-##############################################################################
+##############################################################
-## This is the example configuration file. Copy it to $HOME/.ncmpcpp/config ##
+## This is an example configuration file. Copy it to        ##
-## or $XDG_CONFIG_HOME/ncmpcpp/config and set up your preferences.          ##
+## $XDG_CONFIG_HOME/ncmpcpp/config or $HOME/.ncmpcpp/config ##
-##############################################################################
+## and set up your preferences.                             ##
+##############################################################
 #
 ##### directories ######
 ##
@@ -11,7 +12,7 @@
 ## ncmpcpp.
 ##
 #
-#ncmpcpp_directory = ~/.ncmpcpp
+#ncmpcpp_directory = ~/.config/ncmpcpp
 #
 ##
 ## Directory for storing downloaded lyrics. It defaults to ~/.lyrics since other

doc/ncmpcpp.1

@@ -45,7 +45,12 @@ Display help.
 Display version information.
 
 .SH "CONFIGURATION"
-When ncmpcpp starts, it tries to read user's settings from $HOME/.ncmpcpp/config and $XDG_CONFIG_HOME/ncmpcpp/config files. If no configuration is found, ncmpcpp uses its default configuration. An example configuration file containing all default values is provided with ncmpcpp and can be usually found in /usr/share/doc/ncmpcpp (exact location may depend on used distribution or configure prefix).
+When ncmpcpp starts, it tries to read settings from
+$XDG_CONFIG_HOME/ncmpcpp/config and $HOME/.ncmpcpp/config files. If no
+configuration is found, ncmpcpp uses its default configuration. An example
+configuration file containing all default values is provided with ncmpcpp and
+can be usually found in /usr/share/doc/ncmpcpp (the exact location may depend on
+your operating system or configure prefix).
 
 Note: Configuration option values can either be enclosed in quotation marks or not.
  - If they are enclosed, the leftmost and the rightmost quotation marks are treated as delimiters, therefore it is not necessary to escape quotation marks you use within the value itself.
@@ -442,7 +447,11 @@ Border color of pop-up windows. If set to 'none', no border will be shown.
 Color of active window's border.
 .TP
 .SH "BINDINGS"
-When ncmpcpp starts, it tries to read user's bindings from ~/.ncmpcpp/bindings and $XDG_CONFIG_HOME/ncmpcpp/bindings files. If no bindings file is found, ncmpcpp uses the defaults. An example bindings file with the default values can be found usually in /usr/share/doc/ncmpcpp (exact location may depend on used distribution or configure prefix).
+When ncmpcpp starts, it tries to read bindings from
+$XDG_CONFIG_HOME/ncmpcpp/bindings and ~/.ncmpcpp/bindings files. If no bindings
+file is found, ncmpcpp uses the defaults. An example bindings file with default
+values can be found usually in /usr/share/doc/ncmpcpp (the exact location may
+depend on your operating system or configure prefix).
 
 You can view current keybindings by pressing F1.
 .SH "SONG FORMAT"

src/configuration.cpp

@@ -74,13 +74,13 @@ void expand_home(std::string &path)
 bool configure(int argc, char **argv)
 {
 	const std::vector<std::string> default_config_paths = {
-		"~/.ncmpcpp/config",
+		xdg_config_home() + "ncmpcpp/config",
-		xdg_config_home() + "ncmpcpp/config"
+		"~/.ncmpcpp/config"
 	};
 
 	const std::vector<std::string> default_bindings_paths = {
-		"~/.ncmpcpp/bindings",
+		xdg_config_home() + "ncmpcpp/bindings",
-		xdg_config_home() + "ncmpcpp/bindings"
+		"~/.ncmpcpp/bindings"
 	};
 
 	std::vector<std::string> bindings_paths;

src/ncmpcpp.cpp

@@ -103,7 +103,7 @@ int main(int argc, char **argv)
 	// always execute these commands, even if ncmpcpp use exit function
 	atexit(do_at_exit);
 	
-	// redirect std::cerr output to ~/.ncmpcpp/error.log file
+	// redirect std::cerr output to the error.log file
 	errorlog.open((Config.ncmpcpp_directory + "error.log").c_str(), std::ios::app);
 	cerr_buffer = std::cerr.rdbuf();
 	std::cerr.rdbuf(errorlog.rdbuf());

src/settings.cpp

@@ -235,7 +235,7 @@ bool Configuration::read(const std::vector<std::string> &config_paths, bool igno
 	});
 
 	// keep the same order of variables as in configuration file
-	p.add("ncmpcpp_directory", &ncmpcpp_directory, "~/.ncmpcpp/", adjust_directory);
+	p.add("ncmpcpp_directory", &ncmpcpp_directory, "~/.config/ncmpcpp/", adjust_directory);
 	p.add("lyrics_directory", &lyrics_directory, "~/.lyrics/", adjust_directory);
 	p.add<void>("mpd_host", nullptr, "localhost", [](std::string host) {
 			expand_home(host);