Fix bug when scrolling down to the last line.

It wasn't positioning to the begining of the line.

src/SeerCaretAsteriskLogWidget.cpp

@@ -26,6 +26,7 @@ void SeerCaretAsteriskLogWidget::processText (const QString& text) {
 
     // Write the string to the log.
     textEdit->append(str);
-    textEdit->verticalScrollBar()->setValue(textEdit->verticalScrollBar()->maximum());
+
+    moveToEnd();
 }
 

src/SeerLogWidget.cpp

@@ -35,7 +35,26 @@ SeerLogWidget::~SeerLogWidget () {
 }
 
 void SeerLogWidget::processText (const QString& text) {
+
+    // Add text to the end of the document.
     textEdit->append(text);
+
+    moveToEnd();
+}
+
+void SeerLogWidget::moveToEnd () {
+
+    // Move cursor to start of the last line.
+    // Move scrollbars to the last line.
+    int nlines = textEdit->document()->lineCount();
+
+    QTextCursor cursor = textEdit->textCursor();
+
+    cursor.setPosition(nlines-1);
+
+    textEdit->setTextCursor(cursor);
+    textEdit->moveCursor(QTextCursor::StartOfLine);
+
     textEdit->verticalScrollBar()->setValue(textEdit->verticalScrollBar()->maximum());
 }
 

src/SeerLogWidget.h

@@ -13,6 +13,7 @@ class SeerLogWidget : public QWidget, protected Ui::SeerLogWidgetForm {
        ~SeerLogWidget ();
 
         virtual void        processText                 (const QString& text);
+        virtual void        moveToEnd                   ();
 
     public slots:
         void                handleText                  (const QString& text);

src/SeerTildeEqualAmpersandLogWidget.cpp

@@ -85,6 +85,7 @@ void SeerTildeEqualAmpersandLogWidget::processText (const QString& text) {
 
     // Write the string to the log.
     textEdit->append(str);
-    textEdit->verticalScrollBar()->setValue(textEdit->verticalScrollBar()->maximum());
+
+    moveToEnd();
 }
 

src/SeerTildeLogWidget.cpp

@@ -31,6 +31,7 @@ void SeerTildeLogWidget::processText (const QString& text) {
     }
 
     textEdit->append(str);
-    textEdit->verticalScrollBar()->setValue(textEdit->verticalScrollBar()->maximum());
+
+    moveToEnd();
 }