depot/pkgs/desktops/lomiri/applications/lomiri-system-settings/2000-Support-wrapping-for-Nixpkgs.patch

From 8e21cf46551091c884014985d3e0dd9704d6dc04 Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Wed, 14 Feb 2024 16:00:24 +0100
Subject: [PATCH] Support wrapping for Nixpkgs

---
 src/CMakeLists.txt   | 24 +++++++++++++++++++-----
 src/main.cpp         |  8 +++++---
 src/plugin.cpp       | 19 +++++++++++++++++--
 tests/CMakeLists.txt | 18 ++++++++++++++----
 4 files changed, 55 insertions(+), 14 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cd3131d0..fcd78bdf 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,13 +1,27 @@
 include_directories(${GLIB_INCLUDE_DIRS})
 
-add_definitions(-DI18N_DIRECTORY="${CMAKE_INSTALL_FULL_LOCALEDIR}")
 add_definitions(-DI18N_DOMAIN="lomiri-system-settings")
-add_definitions(-DPLUGIN_PRIVATE_MODULE_DIR="${PLUGIN_PRIVATE_MODULE_DIR}")
+
+add_definitions(-DNIX_FALLBACK_PREFIX="${CMAKE_INSTALL_PREFIX}")
+
+set(I18N_DIRECTORY "${CMAKE_INSTALL_FULL_LOCALEDIR}")
+
+list(APPEND NIX_LOCATION_VARIABLES
+    I18N_DIRECTORY
+    PLUGIN_PRIVATE_MODULE_DIR
+    PLUGIN_MANIFEST_DIR
+    PLUGIN_QML_DIR
+    PLUGIN_MODULE_DIR
+)
+
+foreach(locvar IN LISTS NIX_LOCATION_VARIABLES)
+    string(REPLACE "${CMAKE_INSTALL_PREFIX}" "" NIX_${locvar}_RELATIVE "${${locvar}}")
+    add_definitions(-D${locvar}=do_not_use_me)
+    add_definitions(-DNIX_${locvar}_RELATIVE="${NIX_${locvar}_RELATIVE}")
+endforeach()
+
 add_definitions(-DMANIFEST_DIR="${MANIFEST_DIR}")
-add_definitions(-DPLUGIN_MANIFEST_DIR="${PLUGIN_MANIFEST_DIR}")
 add_definitions(-DQML_DIR="${QML_DIR}")
-add_definitions(-DPLUGIN_QML_DIR="${PLUGIN_QML_DIR}")
-add_definitions(-DPLUGIN_MODULE_DIR="${PLUGIN_MODULE_DIR}")
 
 add_subdirectory(SystemSettings)
 
diff --git a/src/main.cpp b/src/main.cpp
index 64441da3..cfcabe42 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -42,6 +42,8 @@ int main(int argc, char **argv)
     QByteArray mountPoint = qEnvironmentVariableIsSet("SNAP") ? qgetenv("SNAP") : "";
     bool isSnap = !mountPoint.isEmpty();
 
+    QByteArray dataPrefix = qEnvironmentVariableIsSet("NIX_LSS_PREFIX") ? qgetenv("NIX_LSS_PREFIX") : NIX_FALLBACK_PREFIX;
+
     // Ensure printing environment is correct.
     qputenv("QT_PRINTER_MODULE", "cupsprintersupport");
 
@@ -78,12 +80,12 @@ int main(int argc, char **argv)
     qmlRegisterType<LomiriSystemSettings::PluginManager>("SystemSettings", 1, 0, "PluginManager");
     view.engine()->rootContext()->setContextProperty("Utilities", &utils);
     view.setResizeMode(QQuickView::SizeRootObjectToView);
-    view.engine()->addImportPath(mountPoint + PLUGIN_PRIVATE_MODULE_DIR);
-    view.engine()->addImportPath(mountPoint + PLUGIN_QML_DIR);
+    view.engine()->addImportPath(mountPoint + dataPrefix + "/" + NIX_PLUGIN_PRIVATE_MODULE_DIR_RELATIVE);
+    view.engine()->addImportPath(mountPoint + dataPrefix + "/" + NIX_PLUGIN_QML_DIR_RELATIVE);
     view.rootContext()->setContextProperty("defaultPlugin", defaultPlugin);
     view.rootContext()->setContextProperty("mountPoint", mountPoint);
     view.rootContext()->setContextProperty("isSnap", isSnap);
-    view.rootContext()->setContextProperty("i18nDirectory", mountPoint + I18N_DIRECTORY);
+    view.rootContext()->setContextProperty("i18nDirectory", mountPoint + dataPrefix + "/" + NIX_I18N_DIRECTORY_RELATIVE);
     view.rootContext()->setContextProperty("pluginOptions", pluginOptions);
     view.rootContext()->setContextProperty("view", &view);
     view.setSource(QUrl("qrc:/qml/MainWindow.qml"));
diff --git a/src/plugin.cpp b/src/plugin.cpp
index 133821af..6a1a152c 100644
--- a/src/plugin.cpp
+++ b/src/plugin.cpp
@@ -36,9 +36,16 @@
 #include <LomiriSystemSettings/ItemBase>
 #include <LomiriSystemSettings/PluginInterface>
 
+#include <libintl.h>
+
 using namespace LomiriSystemSettings;
 
-static const QLatin1String pluginModuleDir{PLUGIN_MODULE_DIR};
+const QLatin1String getWrapperPrefix()
+{
+    const QLatin1String pluginWrapperPrefix {qEnvironmentVariableIsSet("NIX_LSS_PREFIX") ? qgetenv("NIX_LSS_PREFIX") : NIX_FALLBACK_PREFIX};
+    return pluginWrapperPrefix;
+}
+static const QLatin1String pluginModuleDirRelative{NIX_PLUGIN_MODULE_DIR_RELATIVE};
 static const QLatin1String pluginQmlDir{QML_DIR};
 
 namespace LomiriSystemSettings {
@@ -89,6 +96,11 @@ PluginPrivate::PluginPrivate(Plugin *q, const QFileInfo &manifest):
 
     m_data = json.toVariant().toMap();
     m_dataPath = manifest.absolutePath();
+
+    QString textDomain = m_data.value(keyTranslations).toString();
+    QString textDomainDir = QString("%1/%2")
+        .arg(getWrapperPrefix()).arg(NIX_I18N_DIRECTORY_RELATIVE);
+    bindtextdomain(qPrintable(textDomain), qPrintable(textDomainDir));
 }
 
 bool PluginPrivate::ensureLoaded() const
@@ -110,8 +122,11 @@ bool PluginPrivate::ensureLoaded() const
         ctx->contextProperty("mountPoint").value<QByteArray>() :
         "";
 
+    QString wrapperModuleDir = QString("%1/%2")
+        .arg(getWrapperPrefix()).arg(pluginModuleDirRelative);
+
     QString name = QString("%1%2/lib%3.so")
-        .arg(mountPoint).arg(pluginModuleDir).arg(plugin);
+        .arg(mountPoint).arg(wrapperModuleDir).arg(plugin);
 
     m_loader.setFileName(name);
     if (Q_UNLIKELY(!m_loader.load())) {
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index c10b2e2d..a998b641 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -9,13 +9,23 @@ include_directories(
 set(XVFB_CMD xvfb-run -a -s "-screen 0 640x480x24")
 
 add_definitions(-DI18N_DOMAIN="lomiri-system-settings")
-add_definitions(-DPLUGIN_PRIVATE_MODULE_DIR="${PLUGIN_PRIVATE_MODULE_DIR}")
-add_definitions(-DPLUGIN_MODULE_DIR="${CMAKE_CURRENT_BINARY_DIR}")
+
+add_definitions(-DNIX_FALLBACK_PREFIX="${CMAKE_CURRENT_BINARY_DIR}")
+
+add_definitions(-DI18N_DIRECTORY=do_not_use_me)
+add_definitions(-DNIX_I18N_DIRECTORY_RELATIVE="")
+add_definitions(-DPLUGIN_PRIVATE_MODULE_DIR=do_not_use_me)
+add_definitions(-DNIX_PLUGIN_PRIVATE_MODULE_DIR_RELATIVE="")
+add_definitions(-DPLUGIN_MODULE_DIR=do_not_use_me)
+add_definitions(-DNIX_PLUGIN_MODULE_DIR_RELATIVE="")
+add_definitions(-DPLUGIN_MANIFEST_DIR=do_not_use_me)
+add_definitions(-DNIX_PLUGIN_MANIFEST_DIR_RELATIVE="../../tests/data")
+add_definitions(-DPLUGIN_QML_DIR=do_not_use_me)
+add_definitions(-DNIX_PLUGIN_QML_DIR_RELATIVE="")
+
 add_definitions(-DMANIFEST_DIR="data")
-add_definitions(-DPLUGIN_MANIFEST_DIR="${CMAKE_CURRENT_SOURCE_DIR}/data")
 add_definitions(-DQML_TEST_DIR="${CMAKE_CURRENT_SOURCE_DIR}")
 add_definitions(-DQML_DIR="${CMAKE_CURRENT_BINARY_DIR}")
-add_definitions(-DPLUGIN_QML_DIR="${CMAKE_CURRENT_BINARY_DIR}")
 add_definitions(-DSYSTEM_IMAGE_DBUS_TEMPLATE="${CMAKE_SOURCE_DIR}/tests/autopilot/lomiri_system_settings/tests/systemimage.py")
 
 add_library(test-plugin SHARED test-plugin.cpp test-plugin.h)
-- 
2.42.0