HaikuDepot: Simple TextListener interface, not yet used.

src/apps/haiku-depot/Jamfile

@@ -27,6 +27,7 @@ local textDocumentSources =
 	TextDocumentLayout.cpp
 	TextDocumentView.cpp
 	TextEditor.cpp
+	TextListener.cpp
 	TextSelection.cpp
 	TextSpan.cpp
 	TextView.cpp

src/apps/haiku-depot/textview/TextListener.cpp

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2014, Stephan Aßmus <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "TextListener.h"
+
+
+// #pragma mark - TextChangeEvent
+
+
+TextChangeEvent::TextChangeEvent(int32 firstChangedParagraph,
+		int32 changedParagraphCount)
+	:
+	fFirstChangedParagraph(firstChangedParagraph),
+	fChangedParagraphCount(changedParagraphCount)
+{
+}
+
+
+TextChangeEvent::TextChangeEvent()
+	:
+	fFirstChangedParagraph(0),
+	fChangedParagraphCount(0)
+{
+}
+
+
+TextChangeEvent::~TextChangeEvent()
+{
+}
+
+
+// #pragma mark - TextChangedEvent
+
+
+TextChangingEvent::TextChangingEvent(int32 firstChangedParagraph,
+		int32 changedParagraphCount)
+	:
+	TextChangeEvent(firstChangedParagraph, changedParagraphCount)
+{
+}
+
+
+TextChangingEvent::TextChangingEvent()
+	:
+	TextChangeEvent()
+{
+}
+
+
+TextChangingEvent::~TextChangingEvent()
+{
+}
+
+
+void
+TextChangingEvent::Cancel()
+{
+	fIsCanceled = true;
+}
+
+
+// #pragma mark - TextChangedEvent
+
+
+TextChangedEvent::TextChangedEvent(int32 firstChangedParagraph,
+		int32 changedParagraphCount)
+	:
+	TextChangeEvent(firstChangedParagraph, changedParagraphCount)
+{
+}
+
+
+TextChangedEvent::TextChangedEvent()
+	:
+	TextChangeEvent()
+{
+}
+
+
+TextChangedEvent::~TextChangedEvent()
+{
+}
+
+
+// #pragma mark - TextListener
+
+
+TextListener::TextListener()
+	:
+	BReferenceable()
+{
+}
+
+
+TextListener::~TextListener()
+{
+}
+
+
+void
+TextListener::TextChanging(TextChangingEvent& event)
+{
+}
+
+
+void
+TextListener::TextChanged(TextChangedEvent& event)
+{
+}

src/apps/haiku-depot/textview/TextListener.h

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2014, Stephan Aßmus <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef TEXT_LISTENER_H
+#define TEXT_LISTENER_H
+
+
+#include <Referenceable.h>
+
+
+class TextChangeEvent {
+protected:
+								TextChangeEvent();
+								TextChangeEvent(int32 firstChangedParagraph,
+									int32 changedParagraphCount);
+	virtual						~TextChangeEvent();
+
+public:
+			int32				FirstChangedParagraph() const
+									{ return fFirstChangedParagraph; }
+			int32				ChangedParagraphCount() const
+									{ return fChangedParagraphCount; }
+
+private:
+			int32				fFirstChangedParagraph;
+			int32				fChangedParagraphCount;
+};
+
+
+class TextChangingEvent : public TextChangeEvent {
+public:
+								TextChangingEvent(int32 firstChangedParagraph,
+									int32 changedParagraphCount);
+	virtual						~TextChangingEvent();
+
+			void				Cancel();
+			bool				IsCanceled() const
+									{ return fIsCanceled; }
+
+private:
+								TextChangingEvent();
+
+private:
+			bool				fIsCanceled;
+};
+
+
+class TextChangedEvent : public TextChangeEvent {
+public:
+								TextChangedEvent(int32 firstChangedParagraph,
+									int32 changedParagraphCount);
+	virtual						~TextChangedEvent();
+
+private:
+								TextChangedEvent();
+};
+
+
+class TextListener : public BReferenceable {
+public:
+								TextListener();
+	virtual						~TextListener();
+
+	virtual	void				TextChanging(TextChangingEvent& event);
+
+	virtual	void				TextChanged(TextChangedEvent& event);
+};
+
+
+#endif // TEXT_LISTENER_H