UI: Programs: Sort "Name" column case-insentively

src/ui/3rdparty/sqlite/sqlite.pri

@@ -16,6 +16,7 @@ SOURCES += \
     $$PWD/dbutil.cpp \
     $$PWD/dbvar.cpp \
     $$PWD/sqlitedb.cpp \
+    $$PWD/sqlitedbext.cpp \
     $$PWD/sqlitestmt.cpp
 
 HEADERS += \
@@ -27,4 +28,5 @@ HEADERS += \
     $$PWD/dbvar.h \
     $$PWD/sqlite_types.h \
     $$PWD/sqlitedb.h \
+    $$PWD/sqlitedbext.h \
     $$PWD/sqlitestmt.h

src/ui/3rdparty/sqlite/sqlitedb.cpp

@@ -9,6 +9,7 @@
 #include <sqlite.h>
 
 #include "dbquery.h"
+#include "sqlitedbext.h"
 #include "sqlitestmt.h"
 
 namespace {
@@ -84,7 +85,13 @@ bool SqliteDb::open()
 {
     const auto filePathUtf8 = m_filePath.toUtf8();
 
-    return sqlite3_open_v2(filePathUtf8.data(), &m_db, m_openFlags, nullptr) == SQLITE_OK;
+    const bool ok = sqlite3_open_v2(filePathUtf8.data(), &m_db, m_openFlags, nullptr) == SQLITE_OK;
+
+    if (ok) {
+        SqliteDbExt::registerExtensions(this);
+    }
+
+    return ok;
 }
 
 void SqliteDb::close()

src/ui/3rdparty/sqlite/sqlitedbext.cpp

@@ -0,0 +1,44 @@
+#include "sqlitedbext.h"
+
+#include <QLoggingCategory>
+
+#include <sqlite.h>
+
+#include "sqlitedb.h"
+
+namespace {
+
+const QLoggingCategory LC("dbExt");
+
+void extLower(sqlite3_context *ctx, int argc, sqlite3_value **argv)
+{
+    Q_ASSERT(argc == 1);
+
+    const unsigned char *textUtf8 = sqlite3_value_text(argv[0]);
+    const auto text = QString::fromUtf8(textUtf8);
+    const auto textLower = text.toLower();
+    const auto result = textLower.toUtf8();
+
+    sqlite3_result_text(ctx, result.data(), result.size(), SQLITE_TRANSIENT);
+}
+
+bool createExtLower(struct sqlite3 *db)
+{
+    return sqlite3_create_function(db, "EXT_LOWER",
+                   /*nArg=*/1,
+                   /*eTextRep=*/(SQLITE_DETERMINISTIC | SQLITE_UTF8),
+                   /*pApp=*/nullptr,
+                   /*xFunc=*/&extLower,
+                   /*xStep=*/nullptr,
+                   /*xFinal=*/nullptr)
+            == SQLITE_OK;
+}
+
+}
+
+void SqliteDbExt::registerExtensions(SqliteDb *sqliteDb)
+{
+    struct sqlite3 *db = sqliteDb->db();
+
+    createExtLower(db);
+}

src/ui/3rdparty/sqlite/sqlitedbext.h

@@ -0,0 +1,14 @@
+#ifndef SQLITEDBEXT_H
+#define SQLITEDBEXT_H
+
+#include <QObject>
+
+class SqliteDb;
+
+class SqliteDbExt
+{
+public:
+    static void registerExtensions(SqliteDb *sqliteDb);
+};
+
+#endif // SQLITEDBEXT_H

src/ui/conf/confmanager.cpp

@@ -34,7 +34,7 @@ namespace {
 
 const QLoggingCategory LC("conf");
 
-constexpr int DATABASE_USER_VERSION = 43;
+constexpr int DATABASE_USER_VERSION = 44;
 
 const char *const sqlSelectAddressGroups = "SELECT addr_group_id, include_all, exclude_all,"
                                            "    include_zones, exclude_zones,"

src/ui/conf/migrations/1.sql

@@ -80,7 +80,7 @@ CREATE TABLE app(
 
 CREATE INDEX app_app_group_id_idx ON app(app_group_id);
 CREATE UNIQUE INDEX app_path_uk ON app(path);
-CREATE INDEX app_name_idx ON app(name);
+CREATE INDEX app_name_idx ON app(EXT_LOWER(name));
 CREATE INDEX app_rule_idx ON app(rule_id);
 CREATE INDEX app_end_time_idx ON app(end_time);
 

src/ui/model/applistmodel.cpp

@@ -320,7 +320,7 @@ QString AppListModel::sqlWhereFts() const
 
 QString AppListModel::sqlOrderColumn() const
 {
-    static const QString nameColumn = "t.name";
+    static const QString nameColumn = "EXT_LOWER(t.name)";
     static const QString pathColumn = "t.path";
 
     static const QStringList orderColumns = {