TextEditor: modernize TextDocument

Change-Id: I9ea17165ba4eade89a6119135378793256e13358
Reviewed-by: hjk <hjk@qt.io>

src/plugins/texteditor/textdocument.cpp

@@ -77,18 +77,14 @@ namespace TextEditor {
 class TextDocumentPrivate
 {
 public:
-    TextDocumentPrivate() :
-        m_fontSettingsNeedsApply(false),
-        m_highlighter(0),
-        m_completionAssistProvider(0),
-        m_indenter(new Indenter),
-        m_fileIsReadOnly(false),
-        m_autoSaveRevision(-1)
+    TextDocumentPrivate()
+        : m_indenter(new Indenter)
     {
     }
 
     QTextCursor indentOrUnindent(const QTextCursor &textCursor, bool doIndent,
-                                 bool blockSelection = false, int column = 0, int *offset = 0);
+                                 bool blockSelection = false, int column = 0,
+                                 int *offset = nullptr);
     void resetRevisions();
     void updateRevisions();
 
@@ -100,14 +96,14 @@ public:
     TabSettings m_tabSettings;
     ExtraEncodingSettings m_extraEncodingSettings;
     FontSettings m_fontSettings;
-    bool m_fontSettingsNeedsApply; // for applying font settings delayed till an editor becomes visible
+    bool m_fontSettingsNeedsApply = false; // for applying font settings delayed till an editor becomes visible
     QTextDocument m_document;
-    SyntaxHighlighter *m_highlighter;
-    CompletionAssistProvider *m_completionAssistProvider;
+    SyntaxHighlighter *m_highlighter = nullptr;
+    CompletionAssistProvider *m_completionAssistProvider = nullptr;
     QScopedPointer<Indenter> m_indenter;
 
-    bool m_fileIsReadOnly;
-    int m_autoSaveRevision;
+    bool m_fileIsReadOnly = false;
+    int m_autoSaveRevision = -1;
 
     TextMarks m_marksCache; // Marks not owned
     Utils::Guard m_modificationChangedGuard;
@@ -181,7 +177,7 @@ QTextCursor TextDocumentPrivate::indentOrUnindent(const QTextCursor &textCursor,
                 text = block.text();
             }
 
-            int indentPosition = ts.positionAtColumn(text, column, 0, true);
+            int indentPosition = ts.positionAtColumn(text, column, nullptr, true);
             int spaces = ts.spacesLeftFromPosition(text, indentPosition);
             int startColumn = ts.columnAt(text, indentPosition - spaces);
             int targetColumn = ts.indentedColumn(ts.columnAt(text, indentPosition), doIndent);
@@ -449,7 +445,7 @@ void TextDocument::setIndenter(Indenter *indenter)
     for (QTextBlock it = document()->begin(); it.isValid(); it = it.next()) {
         TextBlockUserData *userData = TextDocumentLayout::testUserData(it);
         if (userData)
-            userData->setCodeFormatterData(0);
+            userData->setCodeFormatterData(nullptr);
     }
     d->m_indenter.reset(indenter);
 }
@@ -506,7 +502,7 @@ bool TextDocument::save(QString *errorString, const QString &saveFileName, bool
     QTextCursor cursor(&d->m_document);
 
     // When autosaving, we don't want to modify the document/location under the user's fingers.
-    TextEditorWidget *editorWidget = 0;
+    TextEditorWidget *editorWidget = nullptr;
     int savedPosition = 0;
     int savedAnchor = 0;
     int savedVScrollBarValue = 0;
@@ -979,7 +975,7 @@ void TextDocument::removeMark(TextMark *mark)
 
     removeMarkFromMarksCache(mark);
     emit markRemoved(mark);
-    mark->setBaseTextDocument(0);
+    mark->setBaseTextDocument(nullptr);
     updateLayout();
 }
 
@@ -1003,7 +999,7 @@ void TextDocument::moveMark(TextMark *mark, int previousLine)
             qDebug() << "Could not find mark" << mark << "on line" << previousLine;
     }
     removeMarkFromMarksCache(mark);
-    mark->setBaseTextDocument(0);
+    mark->setBaseTextDocument(nullptr);
     addMark(mark);
 }
 

src/plugins/texteditor/textdocument.h

@@ -89,9 +89,9 @@ public:
     void autoIndent(const QTextCursor &cursor, QChar typedChar = QChar::Null);
     void autoReindent(const QTextCursor &cursor);
     QTextCursor indent(const QTextCursor &cursor, bool blockSelection = false, int column = 0,
-                       int *offset = 0);
+                       int *offset = nullptr);
     QTextCursor unindent(const QTextCursor &cursor, bool blockSelection = false, int column = 0,
-                         int *offset = 0);
+                         int *offset = nullptr);
 
     TextMarks marks() const;
     bool addMark(TextMark *mark);