feat: Add language-specific LLM preset configuration

- Add ability to configure separate provider/model/template for specific programming language
- Add UI controls for language preset configuration
- Support custom provider selection per language
- Support custom model selection per language
- Support custom template selection per language

settings/ButtonAspect.hpp

@@ -35,11 +35,26 @@ public:
     void addToLayoutImpl(Layouting::Layout &parent) override
     {
         auto button = new QPushButton(m_buttonText);
+        button->setVisible(m_visible);
         connect(button, &QPushButton::clicked, this, &ButtonAspect::clicked);
+        connect(this, &ButtonAspect::visibleChanged, button, &QPushButton::setVisible);
         parent.addItem(button);
     }
 
+    void updateVisibility(bool visible)
+    {
+        if (m_visible == visible)
+            return;
+        m_visible = visible;
+        emit visibleChanged(visible);
+    }
+
     QString m_buttonText;
+
 signals:
     void clicked();
+    void visibleChanged(bool state);
+
+private:
+    bool m_visible = true;
 };

settings/GeneralSettings.cpp

@@ -89,6 +89,39 @@ GeneralSettings::GeneralSettings()
     ccStatus.setDefaultValue("");
     ccTest.m_buttonText = TrConstants::TEST;
 
+    // preset1
+    specifyPreset1.setSettingsKey(Constants::CC_SPECIFY_PRESET1);
+    specifyPreset1.setLabelText(TrConstants::ADD_NEW_PRESET);
+    specifyPreset1.setDefaultValue(false);
+
+    preset1Language.setSettingsKey(Constants::CC_PRESET1_LANGUAGE);
+    preset1Language.setDisplayStyle(Utils::SelectionAspect::DisplayStyle::ComboBox);
+    // see ProgrammingLanguageUtils
+    preset1Language.addOption("qml");
+    preset1Language.addOption("c/c++");
+    preset1Language.addOption("python");
+
+    initStringAspect(
+        ccPreset1Provider, Constants::CC_PRESET1_PROVIDER, TrConstants::PROVIDER, "Ollama");
+    ccPreset1Provider.setReadOnly(true);
+    ccPreset1SelectProvider.m_buttonText = TrConstants::SELECT;
+
+    initStringAspect(
+        ccPreset1Url, Constants::CC_PRESET1_URL, TrConstants::URL, "http://localhost:11434");
+    ccPreset1Url.setHistoryCompleter(Constants::CC_PRESET1_URL_HISTORY);
+    ccPreset1SetUrl.m_buttonText = TrConstants::SELECT;
+
+    initStringAspect(
+        ccPreset1Model, Constants::CC_PRESET1_MODEL, TrConstants::MODEL, "qwen2.5-coder:7b");
+    ccPreset1Model.setHistoryCompleter(Constants::CC_PRESET1_MODEL_HISTORY);
+    ccPreset1SelectModel.m_buttonText = TrConstants::SELECT;
+
+    initStringAspect(
+        ccPreset1Template, Constants::CC_PRESET1_TEMPLATE, TrConstants::TEMPLATE, "Ollama Auto FIM");
+    ccPreset1Template.setReadOnly(true);
+    ccPreset1SelectTemplate.m_buttonText = TrConstants::SELECT;
+
+    // chat assistance
     initStringAspect(caProvider, Constants::CA_PROVIDER, TrConstants::PROVIDER, "Ollama");
     caProvider.setReadOnly(true);
     caSelectProvider.m_buttonText = TrConstants::SELECT;
@@ -117,6 +150,8 @@ GeneralSettings::GeneralSettings()
 
     setupConnections();
 
+    updatePreset1Visiblity(specifyPreset1.value());
+
     setLayouter([this]() {
         using namespace Layouting;
 
@@ -126,13 +161,21 @@ GeneralSettings::GeneralSettings()
         ccGrid.addRow({ccModel, ccSelectModel});
         ccGrid.addRow({ccTemplate, ccSelectTemplate});
 
+        auto ccPreset1Grid = Grid{};
+        ccPreset1Grid.addRow({ccPreset1Provider, ccPreset1SelectProvider});
+        ccPreset1Grid.addRow({ccPreset1Url, ccPreset1SetUrl});
+        ccPreset1Grid.addRow({ccPreset1Model, ccPreset1SelectModel});
+        ccPreset1Grid.addRow({ccPreset1Template, ccPreset1SelectTemplate});
+
         auto caGrid = Grid{};
         caGrid.addRow({caProvider, caSelectProvider});
         caGrid.addRow({caUrl, caSetUrl});
         caGrid.addRow({caModel, caSelectModel});
         caGrid.addRow({caTemplate, caSelectTemplate});
 
-        auto ccGroup = Group{title(TrConstants::CODE_COMPLETION), ccGrid};
+        auto ccGroup = Group{
+            title(TrConstants::CODE_COMPLETION),
+            Column{ccGrid, Row{specifyPreset1, preset1Language, Stretch{1}}, ccPreset1Grid}};
         auto caGroup = Group{title(TrConstants::CHAT_ASSISTANT), caGrid};
 
         auto rootLayout = Column{
@@ -267,9 +310,11 @@ void GeneralSettings::showUrlSelectionDialog(
     dialog.addSpacing();
 
     QStringList allUrls = predefinedUrls;
-    QString key
-        = QString("CompleterHistory/")
-              .append((&aspect == &ccUrl) ? Constants::CC_URL_HISTORY : Constants::CA_URL_HISTORY);
+    QString key = QString("CompleterHistory/")
+                      .append(
+                          (&aspect == &ccUrl)          ? Constants::CC_URL_HISTORY
+                          : (&aspect == &ccPreset1Url) ? Constants::CC_PRESET1_URL_HISTORY
+                                                       : Constants::CA_URL_HISTORY);
     QStringList historyList = qtcSettings()->value(Utils::Key(key.toLocal8Bit())).toStringList();
     allUrls.append(historyList);
     allUrls.removeDuplicates();
@@ -297,6 +342,18 @@ void GeneralSettings::showUrlSelectionDialog(
     dialog.exec();
 }
 
+void GeneralSettings::updatePreset1Visiblity(bool state)
+{
+    ccPreset1Provider.setVisible(specifyPreset1.volatileValue());
+    ccPreset1SelectProvider.updateVisibility(specifyPreset1.volatileValue());
+    ccPreset1Url.setVisible(specifyPreset1.volatileValue());
+    ccPreset1SetUrl.updateVisibility(specifyPreset1.volatileValue());
+    ccPreset1Model.setVisible(specifyPreset1.volatileValue());
+    ccPreset1SelectModel.updateVisibility(specifyPreset1.volatileValue());
+    ccPreset1Template.setVisible(specifyPreset1.volatileValue());
+    ccPreset1SelectTemplate.updateVisibility(specifyPreset1.volatileValue());
+}
+
 void GeneralSettings::setupConnections()
 {
     connect(&enableLogging, &Utils::BoolAspect::volatileValueChanged, this, [this]() {
@@ -306,6 +363,10 @@ void GeneralSettings::setupConnections()
     connect(&checkUpdate, &ButtonAspect::clicked, this, [this]() {
         QodeAssist::UpdateDialog::checkForUpdatesAndShow(Core::ICore::dialogParent());
     });
+
+    connect(&specifyPreset1, &Utils::BoolAspect::volatileValueChanged, this, [this]() {
+        updatePreset1Visiblity(specifyPreset1.volatileValue());
+    });
 }
 
 void GeneralSettings::resetPageToDefaults()
@@ -328,6 +389,12 @@ void GeneralSettings::resetPageToDefaults()
         resetAspect(caTemplate);
         resetAspect(caUrl);
         resetAspect(enableCheckUpdate);
+        resetAspect(specifyPreset1);
+        resetAspect(preset1Language);
+        resetAspect(ccPreset1Provider);
+        resetAspect(ccPreset1Model);
+        resetAspect(ccPreset1Template);
+        resetAspect(ccPreset1Url);
         writeSettings();
     }
 }

settings/GeneralSettings.hpp

@@ -55,6 +55,23 @@ public:
     Utils::StringAspect ccStatus{this};
     ButtonAspect ccTest{this};
 
+    // TODO create dynamic presets system
+    // preset1 for code completion settings
+    Utils::BoolAspect specifyPreset1{this};
+    Utils::SelectionAspect preset1Language{this};
+
+    Utils::StringAspect ccPreset1Provider{this};
+    ButtonAspect ccPreset1SelectProvider{this};
+
+    Utils::StringAspect ccPreset1Url{this};
+    ButtonAspect ccPreset1SetUrl{this};
+
+    Utils::StringAspect ccPreset1Model{this};
+    ButtonAspect ccPreset1SelectModel{this};
+
+    Utils::StringAspect ccPreset1Template{this};
+    ButtonAspect ccPreset1SelectTemplate{this};
+
     // chat assistant settings
     Utils::StringAspect caProvider{this};
     ButtonAspect caSelectProvider{this};
@@ -82,6 +99,8 @@ public:
 
     void showUrlSelectionDialog(Utils::StringAspect &aspect, const QStringList &predefinedUrls);
 
+    void updatePreset1Visiblity(bool state);
+
 private:
     void setupConnections();
     void resetPageToDefaults();

settings/SettingsConstants.hpp

@@ -46,6 +46,15 @@ const char CA_TEMPLATE[] = "QodeAssist.caTemplate";
 const char CA_URL[] = "QodeAssist.caUrl";
 const char CA_URL_HISTORY[] = "QodeAssist.caUrlHistory";
 
+const char CC_SPECIFY_PRESET1[] = "QodeAssist.ccSpecifyPreset1";
+const char CC_PRESET1_LANGUAGE[] = "QodeAssist.ccPreset1Language";
+const char CC_PRESET1_PROVIDER[] = "QodeAssist.ccPreset1Provider";
+const char CC_PRESET1_MODEL[] = "QodeAssist.ccPreset1Model";
+const char CC_PRESET1_MODEL_HISTORY[] = "QodeAssist.ccPreset1ModelHistory";
+const char CC_PRESET1_TEMPLATE[] = "QodeAssist.ccPreset1Template";
+const char CC_PRESET1_URL[] = "QodeAssist.ccPreset1Url";
+const char CC_PRESET1_URL_HISTORY[] = "QodeAssist.ccPreset1UrlHistory";
+
 // settings
 const char ENABLE_QODE_ASSIST[] = "QodeAssist.enableQodeAssist";
 const char CC_AUTO_COMPLETION[] = "QodeAssist.ccAutoCompletion";

settings/SettingsTr.hpp

@@ -86,6 +86,9 @@ inline const char ENTER_MODEL_MANUALLY_BUTTON[]
 inline const char AUTO_COMPLETION_SETTINGS[]
     = QT_TRANSLATE_NOOP("QtC::QodeAssist", "Auto Completion Settings");
 
+inline const char ADD_NEW_PRESET[]
+    = QT_TRANSLATE_NOOP("QtC::QodeAssist", "Add new preset for language");
+
 } // namespace TrConstants
 
 struct Tr