Catching and displaying exceptions.

harbour-wordbook.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.4.1, 2018-04-20T18:10:16. -->
+<!-- Written by QtCreator 4.4.1, 2018-04-20T18:55:17. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

qml/pages/FirstPage.qml

@@ -10,7 +10,7 @@ Page {
         contentHeight: parent.height
         SilicaListView {
             anchors.fill: parent
-            spacing: Theme.paddingLarge
+            spacing: Theme.paddingMedium
             model: DictModel {
                 id: dict_model
             }
@@ -53,14 +53,15 @@ Page {
             delegate: Column {
                 width: page.width
                 Label {
-                    text: "This is a test with a longer text.jjjjj jjj jjjjjj jjj jjjjjjjj jjjj jjjjjjjjjj jjjjjj"
+                    id: body
+                    text: msg2usr
                     color: Theme.primaryColor
-                    font.family: Theme.fontFamilyHeading
                     font.pixelSize: Theme.fontSizeLarge
                     wrapMode: Text.WordWrap
-                    maximumLineCount: 10
+                    //maximumLineCount: 3
                     anchors {
-                        horizontalCenter: parent.horizontalCenter
+                        left: parent.left
+                        right: parent.right
                         leftMargin: Theme.paddingMedium
                         rightMargin: Theme.paddingMedium
                     }

src/dict_model.cpp

@@ -34,8 +34,9 @@ DictModel::DictModel(QObject *parent) :
     QAbstractListModel(parent)
 {
     d_msg = "";
-    // Create dictionary
+    // Create dictionary.
     d_wordbook = dictcc::creator::create("DESV");
+    // Initialise with shared pointer to empty lists, so it actually holds data.
     d_result = d_wordbook->get_translations();
 }
 
@@ -96,9 +97,16 @@ void DictModel::search(QString word)
     // Perform search
     try {
         d_result = d_wordbook->search(word.toStdString());
+        d_msg = nullptr;
     } catch (const dictcc::dict_exception& e) {
         d_result = d_wordbook->reset_search();
         d_msg = e.what();
     }
     endResetModel();
 }
+
+void DictModel::change_language(QString lang)
+{
+    d_wordbook.reset();
+    d_wordbook = dictcc::creator::create(lang.toStdString());
+}

src/dict_model.h

@@ -53,6 +53,7 @@ public:
 
     //Q_INVOKABLE void activate(const int i);
     Q_INVOKABLE void search(QString word);
+    Q_INVOKABLE void change_language(QString lang);
 
 private:
     std::shared_ptr<dictcc::dict> d_wordbook = nullptr;