ensure visibility for extra blocks that are auto inserted

src/plugins/cppeditor/cppeditor.cpp

@@ -1356,13 +1356,13 @@ bool CPPEditor::autoBackspace(QTextCursor &cursor)
     return false;
 }
 
-void CPPEditor::paragraphSeparatorAboutToBeInserted(QTextCursor &cursor)
+int CPPEditor::paragraphSeparatorAboutToBeInserted(QTextCursor &cursor)
 {
     if (characterAt(cursor.position()-1) != QLatin1Char('{'))
-        return;
+        return 0;
 
     if (!contextAllowsAutoParentheses(cursor))
-        return;
+        return 0;
 
 
     // verify that we indeed do have an extra opening brace in the document
@@ -1387,7 +1387,9 @@ void CPPEditor::paragraphSeparatorAboutToBeInserted(QTextCursor &cursor)
         }
         cursor.setPosition(pos);
         m_allowSkippingOfBlockEnd = true;
+        return 1;
     }
+    return 0;
 }
 
 bool CPPEditor::contextAllowsAutoParentheses(const QTextCursor &cursor) const

src/plugins/cppeditor/cppeditor.h

@@ -215,7 +215,7 @@ protected:
     bool isElectricCharacter(const QChar &ch) const;
     QString autoComplete(QTextCursor &cursor, const QString &text) const;
     bool autoBackspace(QTextCursor &cursor);
-    void paragraphSeparatorAboutToBeInserted(QTextCursor &cursor);
+    int paragraphSeparatorAboutToBeInserted(QTextCursor &cursor);
 
     bool contextAllowsAutoParentheses(const QTextCursor &cursor) const;
 

src/plugins/texteditor/basetexteditor.cpp

@@ -890,7 +890,7 @@ void BaseTextEditor::keyPressEvent(QKeyEvent *e)
         const TabSettings &ts = d->m_document->tabSettings();
         cursor.beginEditBlock();
 
-        paragraphSeparatorAboutToBeInserted(cursor); // virtual
+        int extraBlocks = paragraphSeparatorAboutToBeInserted(cursor); // virtual
 
         if (ts.m_autoIndent) {
             cursor.insertBlock();
@@ -902,6 +902,16 @@ void BaseTextEditor::keyPressEvent(QKeyEvent *e)
         }
         cursor.endEditBlock();
         e->accept();
+
+        if (extraBlocks > 0) {
+            QTextCursor ensureVisible = cursor;
+            while (extraBlocks > 0) {
+                --extraBlocks;
+                ensureVisible.movePosition(QTextCursor::NextBlock);
+            }
+            setTextCursor(ensureVisible);
+        }
+
         setTextCursor(cursor);
         return;
     } else if (!ro
@@ -3279,9 +3289,10 @@ bool BaseTextEditor::autoBackspace(QTextCursor &cursor)
     return false;
 }
 
-void BaseTextEditor::paragraphSeparatorAboutToBeInserted(QTextCursor &cursor)
+int BaseTextEditor::paragraphSeparatorAboutToBeInserted(QTextCursor &cursor)
 {
-    Q_UNUSED(cursor)
+    Q_UNUSED(cursor);
+    return 0;
 }
 
 void BaseTextEditor::indentBlock(QTextDocument *, QTextBlock, QChar)

src/plugins/texteditor/basetexteditor.h

@@ -509,8 +509,8 @@ protected:
     virtual QString autoComplete(QTextCursor &cursor, const QString &text) const;
     // Handles backspace. When returning true, backspace processing is stopped
     virtual bool autoBackspace(QTextCursor &cursor);
-    // Hook to insert special characters on enter
-    virtual void paragraphSeparatorAboutToBeInserted(QTextCursor &cursor);
+    // Hook to insert special characters on enter. Returns the number of extra blocks inserted.
+    virtual int paragraphSeparatorAboutToBeInserted(QTextCursor &cursor);
     // Indent a text block based on previous line. Default does nothing
     virtual void indentBlock(QTextDocument *doc, QTextBlock block, QChar typedChar);
     // Indent at cursor. Calls indentBlock for selection or current line.