uic: Add an option to modify the generated resource import

Historically, resource imports were generated as "import file_rc",
however, pyside6-project generates files by prepending "rc_". Add an
option to flip this.

Change-Id: Iee0f161cb2101c8080bd131a6401bbaf4682186d
Reviewed-by: Adrian Herrmann <adrian.herrmann@qt.io>
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
(cherry picked from commit 3696c99a9ab74113557578401d467d845171e543)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

src/tools/uic/main.cpp

@@ -89,6 +89,11 @@ int runUic(int argc, char *argv[])
     fromImportsOption.setDescription(QStringLiteral("Python: generate imports relative to '.'"));
     parser.addOption(fromImportsOption);
 
+    // FIXME Qt 7: Flip the default?
+    QCommandLineOption rcPrefixOption(QStringLiteral("rc-prefix"));
+    rcPrefixOption.setDescription(QStringLiteral("Python: Generate \"rc_file\" instead of \"file_rc\" import"));
+    parser.addOption(rcPrefixOption);
+
     // FIXME Qt 7: Remove?
     QCommandLineOption useStarImportsOption(QStringLiteral("star-imports"));
     useStarImportsOption.setDescription(QStringLiteral("Python: Use * imports"));
@@ -117,6 +122,9 @@ int runUic(int argc, char *argv[])
             driver.option().forceStringConnectionSyntax = 1;
     }
 
+    if (parser.isSet(rcPrefixOption))
+        driver.option().rcPrefix = 1;
+
     Language language = Language::Cpp;
     if (parser.isSet(generatorOption)) {
         if (parser.value(generatorOption).compare("python"_L1) == 0)

src/tools/uic/option.h

@@ -24,6 +24,7 @@ struct Option
     unsigned int forceMemberFnPtrConnectionSyntax: 1;
     unsigned int forceStringConnectionSyntax: 1;
     unsigned int useStarImports: 1;
+    unsigned int rcPrefix: 1; // Python: Generate "rc_file" instead of "file_rc" import
 
     QString inputFile;
     QString outputFile;
@@ -48,6 +49,7 @@ struct Option
           forceMemberFnPtrConnectionSyntax(0),
           forceStringConnectionSyntax(0),
           useStarImports(0),
+          rcPrefix(0),
           prefix(QLatin1StringView("Ui_"))
     { indent.fill(u' ', 4); }
 

src/tools/uic/python/pythonwriteimports.cpp

@@ -56,13 +56,16 @@ static WriteImports::ClassesPerModule defaultClasses()
 
 // Change the name of a qrc file "dir/foo.qrc" file to the Python
 // module name "foo_rc" according to project conventions.
-static QString pythonResource(QString resource)
+static QString pythonResource(QString resource, bool prefix)
 {
     const qsizetype lastSlash = resource.lastIndexOf(u'/');
     if (lastSlash != -1)
         resource.remove(0, lastSlash + 1);
     if (resource.endsWith(".qrc"_L1)) {
         resource.chop(4);
+        if (prefix)
+            resource.prepend("rc_"_L1);
+        else
             resource.append("_rc"_L1);
     }
     return resource;
@@ -140,7 +143,8 @@ void WriteImports::acceptUI(DomUI *node)
         const auto includes = resources->elementInclude();
         for (auto include : includes) {
             if (include->hasAttributeLocation())
-                writeImport(pythonResource(include->attributeLocation()));
+                writeImport(pythonResource(include->attributeLocation(),
+                            uic()->option().rcPrefix));
         }
         output << '\n';
     }