Immediately signal when the model is in a new loading state.

gpt4all-chat/chat.cpp

@@ -249,6 +249,8 @@ void Chat::setModelInfo(const ModelInfo &modelInfo)
     if (m_modelInfo == modelInfo)
         return;
 
+    m_isModelLoaded = false;
+    emit isModelLoadedChanged();
     m_modelLoadingError = QString();
     emit modelLoadingErrorChanged();
     m_modelInfo = modelInfo;
@@ -278,20 +280,6 @@ bool Chat::isRecalc() const
     return m_llmodel->isRecalc();
 }
 
-void Chat::loadDefaultModel()
-{
-    m_modelLoadingError = QString();
-    emit modelLoadingErrorChanged();
-    emit loadDefaultModelRequested();
-}
-
-void Chat::loadModel(const ModelInfo &modelInfo)
-{
-    m_modelLoadingError = QString();
-    emit modelLoadingErrorChanged();
-    emit loadModelRequested(modelInfo);
-}
-
 void Chat::unloadAndDeleteLater()
 {
     if (!isModelLoaded()) {

gpt4all-chat/chat.h

@@ -69,8 +69,6 @@ public:
     void setModelInfo(const ModelInfo &modelInfo);
     bool isRecalc() const;
 
-    void loadDefaultModel();
-    void loadModel(const ModelInfo &modelInfo);
     void unloadModel();
     void reloadModel();
     void unloadAndDeleteLater();