Better flexibility and extensibility in text editor tooltip's internals.

src/plugins/texteditor/tooltip/tips.h

@@ -31,50 +31,71 @@
 #define TIPS_H
 
 #include <QtCore/QSharedPointer>
-#include <QtGui/QFrame>
+#include <QtGui/QLabel>
 #include <QtGui/QPixmap>
 
+namespace TextEditor {
+class TipContent;
+}
+
 QT_BEGIN_NAMESPACE
-class QColor;
+
+// Please do not change the name of this class. Detailed comments in tooltip.h.
+class QTipLabel : public QLabel
+{
+    Q_OBJECT
+protected:
+    QTipLabel(QWidget *parent);
+
+public:
+    virtual ~QTipLabel();
+
+    void setContent(const TextEditor::TipContent &content);
+    const TextEditor::TipContent &content() const;
+
+    virtual void configure() = 0;
+    virtual bool handleContentReplacement(const TextEditor::TipContent &content) const = 0;
+
+private:
+    TextEditor::TipContent *m_tipContent;
+};
+
 QT_END_NAMESPACE
 
 namespace TextEditor {
 namespace Internal {
 
-class TipContent;
-
-class Tip : public QFrame
-{
-    Q_OBJECT
-protected:
-    Tip(QWidget *parent);
-
-public:
-    virtual ~Tip();
-
-    void setContent(const QSharedPointer<TipContent> &content);
-    const QSharedPointer<TipContent> &content() const;
-
-private:
-    virtual void configure() = 0;
-
-    QSharedPointer<TipContent> m_content;
-};
-
-class ColorTip : public Tip
+class ColorTip : public QTipLabel
 {
     Q_OBJECT
 public:
     ColorTip(QWidget *parent);
     virtual ~ColorTip();
 
-private:
     virtual void configure();
+    virtual bool handleContentReplacement(const TipContent &content) const;
+
+private:
     virtual void paintEvent(QPaintEvent *event);
 
     QPixmap m_tilePixMap;
 };
 
+class TextTip : public QTipLabel
+{
+    Q_OBJECT
+public:
+    TextTip(QWidget *parent);
+    virtual ~TextTip();
+
+    virtual void configure();
+    virtual bool handleContentReplacement(const TipContent &content) const;
+
+private:
+    virtual void paintEvent(QPaintEvent *event);
+    virtual void resizeEvent(QResizeEvent *event);
+};
+
 } // namespace Internal
 } // namespace TextEditor