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Respect XDG_DATA_DIRS when looking for icons.

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Use the base folders as defined in $XDG_DATA_DIRS and only fall back to
/usr/share and /usr/local/share if the environment variable does not
exist.
This commit is contained in:
Till Smejkal 2020-07-05 13:10:23 +02:00
parent 06ad35c42b
commit 7d9f6096fe
1 changed files with 39 additions and 11 deletions
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50
src/modules/wlr/taskbar.cpp
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@ -5,6 +5,7 @@
#include <algorithm>
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <memory>
#include <sstream>
@ -42,19 +43,43 @@ static std::string trim(const std::string& s)
/* Icon loading functions */
static std::vector<std::string> search_prefix()
{
std::vector<std::string> prefixes = {""};
auto xdg_data_dirs = std::getenv("XDG_DATA_DIRS");
if (!xdg_data_dirs) {
prefixes.push_back("/usr/share/");
prefixes.push_back("/usr/local/share/");
} else {
std::string xdg_data_dirs_str(xdg_data_dirs);
size_t start = 0, end = 0;
do {
end = xdg_data_dirs_str.find(':', start);
auto p = xdg_data_dirs_str.substr(start, end-start);
prefixes.push_back(trim(p) + "/");
start = end == std::string::npos ? end : end + 1;
} while(end != std::string::npos);
}
for (auto& p : prefixes)
spdlog::debug("Using 'desktop' search path prefix: {}", p);
return prefixes;
}
/* Method 1 - get the correct icon name from the desktop file */
static std::string get_from_desktop_app_info(const std::string &app_id)
{
Glib::RefPtr<Gio::DesktopAppInfo> app_info;
static std::vector<std::string> prefixes = search_prefix();
std::vector<std::string> prefixes = {
std::vector<std::string> app_folders = {
"",
"/usr/share/applications/",
"/usr/share/applications/kde/",
"/usr/share/applications/org.kde.",
"/usr/local/share/applications/",
"/usr/local/share/applications/org.kde.",
"applications/",
"applications/kde/",
"applications/org.kde."
};
std::string lower_app_id = app_id;
@ -72,11 +97,14 @@ static std::string get_from_desktop_app_info(const std::string &app_id)
".desktop"
};
Glib::RefPtr<Gio::DesktopAppInfo> app_info;
for (auto& prefix : prefixes)
for (auto& id : app_id_variations)
for (auto& suffix : suffixes)
if (!app_info)
app_info = Gio::DesktopAppInfo::create_from_filename(prefix + id + suffix);
for (auto& folder : app_folders)
for (auto& id : app_id_variations)
for (auto& suffix : suffixes)
if (!app_info)
app_info = Gio::DesktopAppInfo::create_from_filename(prefix + folder + id + suffix);
if (app_info)
return app_info->get_icon()->to_string();