Honor the XDG specification when locating the CSS (#67)

According to XDG specifications paths like /usr/share etc. are usually
in XDG_DATA_DIRS. Since this variable may be set differently for other
linux distributions we prefer those environment variables to hard-coded
paths. As such hard-coded paths have been removed

This solves issue #66
This commit is contained in:
Kilian Mio 2024-01-21 17:55:03 +02:00 committed by GitHub
parent 438024c626
commit 8c49270677
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GPG key ID: B5690EEEBB952194
3 changed files with 46 additions and 30 deletions

View file

@ -175,6 +175,7 @@ The colors are from the Dracula theme: https://draculatheme.com
### I want to customize the colors
First, find where the data is located for gBar. Possible locations:
- In a 'gBar' directory found in any of the directories listed by `echo $XDG_DATA_DIRS`
- /usr/share/gBar
- /usr/local/share/gBar
- ~/.local/share/gBar

View file

@ -5,11 +5,11 @@
"systems": "systems"
},
"locked": {
"lastModified": 1689068808,
"narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
"lastModified": 1694529238,
"narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
"rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
"type": "github"
},
"original": {
@ -20,11 +20,11 @@
},
"nixpkgs": {
"locked": {
"lastModified": 1689752456,
"narHash": "sha256-VOChdECcEI8ixz8QY+YC4JaNEFwQd1V8bA0G4B28Ki0=",
"lastModified": 1701040486,
"narHash": "sha256-vawYwoHA5CwvjfqaT3A5CT9V36Eq43gxdwpux32Qkjw=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "7f256d7da238cb627ef189d56ed590739f42f13b",
"rev": "45827faa2132b8eade424f6bdd48d8828754341a",
"type": "github"
},
"original": {

View file

@ -13,36 +13,51 @@ namespace CSS
{
sProvider = gtk_css_provider_new();
struct CSSDir
std::vector<std::string> locations;
const char* home = std::getenv("HOME");
const char* configHome = std::getenv("XDG_CONFIG_HOME");
if (configHome && strlen(configHome) != 0)
{
std::string xdgEnv;
std::string fallbackPath;
std::string relPath;
};
std::string home = getenv("HOME");
std::array<CSSDir, 4> locations = {
CSSDir{"XDG_CONFIG_HOME", home + "/.config", "/gBar/style.css"}, // Local config
CSSDir{"XDG_DATA_HOME", home + "/.local/share", "/gBar/style.css"}, // local user install
CSSDir{"", "/usr/local/share", "/gBar/style.css"}, // local all install
CSSDir{"", "/usr/share", "/gBar/style.css"}, // package manager all install
};
locations.push_back(configHome);
}
else if (home)
{
locations.push_back(std::string(home) + "/.config");
}
const char* dataHome = std::getenv("XDG_DATA_HOME");
if (dataHome && strlen(dataHome) != 0)
{
locations.push_back(dataHome);
}
else if (home)
{
locations.push_back(std::string(home) + "/.local/share");
}
const char* dataDirs = std::getenv("XDG_DATA_DIRS");
if (dataDirs && strlen(dataDirs) != 0)
{
std::stringstream ss(dataDirs);
std::string dir;
while (std::getline(ss, dir, ':'))
locations.push_back(dir);
}
else
{
locations.push_back("/usr/local/share");
locations.push_back("/usr/share");
}
GError* err = nullptr;
for (auto& dir : locations)
{
const char* xdgConfig = dir.xdgEnv.size() ? getenv(dir.xdgEnv.c_str()) : nullptr;
std::string file;
if (xdgConfig)
{
file = (std::string(xdgConfig) + dir.relPath).c_str();
}
else
{
file = (dir.fallbackPath + dir.relPath).c_str();
}
std::string file = dir + "/gBar/style.css";
if (!std::ifstream(file).is_open())
{
LOG("Info: No CSS found in " << dir.fallbackPath);
LOG("Info: No CSS found in " << dir);
continue;
}
@ -53,7 +68,7 @@ namespace CSS
LOG("CSS found and loaded successfully!");
return;
}
LOG("Warning: Failed loading config for " << dir.fallbackPath << ", trying next one!");
LOG("Warning: Failed loading config for " << dir << ", trying next one!");
// Log any errors
LOG(err->message);
g_error_free(err);