cursormgr: add a new setting to sync gsettings (#7253)

cursor:sync_gsettings_theme is set to default true and if enabled it
will now sync xcursor theme loading with gsettings if it can, meaning
CSD clients will now also change to the appropiate theme upon start and
hyprctl setcursor THEME SIZE .

4 files changed, 62 insertions, 0 deletions

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 1a823f3e..fb93032a 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -539,6 +539,7 @@ CConfigManager::CConfigManager() {
     m_pConfig->addConfigValue("cursor:zoom_factor", {1.f});
     m_pConfig->addConfigValue("cursor:zoom_rigid", Hyprlang::INT{0});
     m_pConfig->addConfigValue("cursor:enable_hyprcursor", Hyprlang::INT{1});
+    m_pConfig->addConfigValue("cursor:sync_gsettings_theme", Hyprlang::INT{1});
     m_pConfig->addConfigValue("cursor:hide_on_key_press", Hyprlang::INT{0});
     m_pConfig->addConfigValue("cursor:hide_on_touch", Hyprlang::INT{1});
     m_pConfig->addConfigValue("cursor:allow_dumb_copy", Hyprlang::INT{0});
diff --git a/src/managers/XCursorManager.cpp b/src/managers/XCursorManager.cpp
index f2a7ab53..1108bbb2 100644
--- a/src/managers/XCursorManager.cpp
+++ b/src/managers/XCursorManager.cpp
@@ -1,6 +1,9 @@
 #include <cstring>
 #include <dirent.h>
 #include <filesystem>
+#include <gio/gio.h>
+#include <gio/gsettingsschema.h>
+#include "config/ConfigValue.hpp"
 #include "helpers/CursorShapes.hpp"
 #include "debug/Log.hpp"
 #include "XCursorManager.hpp"
@@ -146,6 +149,10 @@ void CXCursorManager::loadTheme(std::string const& name, int size) {
 
         cursors.emplace_back(cursor);
     }
+
+    static auto SYNCGSETTINGS = CConfigValue<Hyprlang::INT>("cursor:sync_gsettings_theme");
+    if (*SYNCGSETTINGS)
+        syncGsettings();
 }
 
 SP<SXCursors> CXCursorManager::getShape(std::string const& shape, int size) {
@@ -542,3 +549,55 @@ std::vector<SP<SXCursors>> CXCursorManager::loadAllFromDir(std::string const& pa
 
     return newCursors;
 }
+
+void CXCursorManager::syncGsettings() {
+    auto checkParamExists = [](std::string const& paramName, std::string const& category) {
+        auto* gSettingsSchemaSource = g_settings_schema_source_get_default();
+
+        if (!gSettingsSchemaSource) {
+            Debug::log(WARN, "GSettings default schema source does not exist, cant sync GSettings");
+            return false;
+        }
+
+        auto* gSettingsSchema = g_settings_schema_source_lookup(gSettingsSchemaSource, category.c_str(), true);
+        bool  hasParam        = false;
+
+        if (gSettingsSchema != NULL) {
+            hasParam = gSettingsSchema && g_settings_schema_has_key(gSettingsSchema, paramName.c_str());
+            g_settings_schema_unref(gSettingsSchema);
+        }
+
+        return hasParam;
+    };
+
+    using SettingValue = std::variant<std::string, int>;
+    auto setValue      = [&checkParamExists](std::string const& paramName, const SettingValue& paramValue, std::string const& category) {
+        if (!checkParamExists(paramName, category)) {
+            Debug::log(WARN, "GSettings parameter doesnt exist {} in {}", paramName, category);
+            return;
+        }
+
+        auto* gsettings = g_settings_new(category.c_str());
+
+        if (!gsettings) {
+            Debug::log(WARN, "GSettings failed to allocate new settings with category {}", category);
+            return;
+        }
+
+        std::visit(
+            [&](auto&& value) {
+                using T = std::decay_t<decltype(value)>;
+                if constexpr (std::is_same_v<T, std::string>)
+                    g_settings_set_string(gsettings, paramName.c_str(), value.c_str());
+                else if constexpr (std::is_same_v<T, int>)
+                    g_settings_set_int(gsettings, paramName.c_str(), value);
+            },
+            paramValue);
+
+        g_settings_sync();
+        g_object_unref(gsettings);
+    };
+
+    setValue("cursor-theme", themeName, "org.gnome.desktop.interface");
+    setValue("cursor-size", lastLoadSize, "org.gnome.desktop.interface");
+}
diff --git a/src/managers/XCursorManager.hpp b/src/managers/XCursorManager.hpp
index 20637055..464c1ec3 100644
--- a/src/managers/XCursorManager.hpp
+++ b/src/managers/XCursorManager.hpp
@@ -38,6 +38,7 @@ class CXCursorManager {
     std::string                     getLegacyShapeName(std::string const& shape);
     std::vector<SP<SXCursors>>      loadStandardCursors(std::string const& name, int size);
     std::vector<SP<SXCursors>>      loadAllFromDir(std::string const& path, int size);
+    void                            syncGsettings();
 
     int                             lastLoadSize = 0;
     std::string                     themeName    = "";
diff --git a/src/meson.build b/src/meson.build
index 098d8298..475ecc24 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -28,6 +28,7 @@ executable('Hyprland', src,
     xcb_xfixes_dep,
     backtrace_dep,
     epoll_dep,
+    gio_dep,
     udis86,
 
     dependency('pixman-1'),