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lib: use XDG_DATA_DIRS to search themes

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This commit is contained in:
Ben Mayer 2024-07-30 12:30:50 +00:00
parent 4493a972b4
commit fb40ac08f8
3 changed files with 19 additions and 23 deletions
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24
libhyprcursor/hyprcursor.cpp
View file

@ -2,6 +2,7 @@
#include "internalSharedTypes.hpp"
#include "internalDefines.hpp"
#include <array>
#include <cstdio>
#include <filesystem>
#include <zip.h>
#include <cstring>
@ -15,12 +16,25 @@
using namespace Hyprcursor;
// directories for lookup
constexpr const std::array<const char*, 1> systemThemeDirs = {"/usr/share/icons"};
static std::vector<std::string> getSystemThemeDirs() {
char* envXdgData = std::getenv("XDG_DATA_DIRS");
std::vector<std::string> result;
if (envXdgData) {
std::stringstream envXdgStream(envXdgData);
std::string tmpStr;
while (getline(envXdgStream, tmpStr, ':')) {
result.push_back((tmpStr + "/icons"));
}
} else {
std::vector<std::string> result = {"/usr/share/icons"};
}
return result;
}
const std::vector<std::string> systemThemeDirs = getSystemThemeDirs();
constexpr const std::array<const char*, 2> userThemeDirs = {"/.local/share/icons", "/.icons"};
//
static std::string themeNameFromEnv(PHYPRCURSORLOGFUNC logfn) {
static std::string themeNameFromEnv(PHYPRCURSORLOGFUNC logfn) {
const auto ENV = getenv("HYPRCURSOR_THEME");
if (!ENV) {
Debug::log(HC_LOG_INFO, logfn, "themeNameFromEnv: env unset");
@ -728,7 +742,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
IMAGE->cairoSurface = cairo_image_surface_create_from_png_stream(::readPNG, IMAGE);
if (const auto STATUS = cairo_surface_status(IMAGE->cairoSurface); STATUS != CAIRO_STATUS_SUCCESS) {
delete[](char*) IMAGE->data;
delete[] (char*)IMAGE->data;
IMAGE->data = nullptr;
return "Failed reading cairoSurface, status " + std::to_string((int)STATUS);
}

5
nix/default.nix
View file

@ -15,11 +15,6 @@ stdenv.mkDerivation {
inherit version;
src = ../.;
patches = [
# adds /run/current-system/sw/share/icons to the icon lookup directories
./dirs.patch
];
nativeBuildInputs = [
cmake
pkg-config

13
nix/dirs.patch
View file

@ -1,13 +0,0 @@
diff --git a/libhyprcursor/hyprcursor.cpp b/libhyprcursor/hyprcursor.cpp
index 304ab9f..1f7e95d 100644
--- a/libhyprcursor/hyprcursor.cpp
+++ b/libhyprcursor/hyprcursor.cpp
@@ -14,7 +14,7 @@
using namespace Hyprcursor;
// directories for lookup
-constexpr const std::array<const char*, 1> systemThemeDirs = {"/usr/share/icons"};
+constexpr const std::array<const char*, 2> systemThemeDirs = {"/usr/share/icons", "/run/current-system/sw/share/icons"};
constexpr const std::array<const char*, 2> userThemeDirs = {"/.local/share/icons", "/.icons"};
//