(libinterface) Optional bitmap-ownership with BitmapMenuItem

libs/libinterface/BitmapMenuItem.cpp

@@ -6,12 +6,13 @@
 #include "BitmapMenuItem.h"
 #include <Bitmap.h>
 
+
 BitmapMenuItem::BitmapMenuItem(const char* label, BMessage* msg,
-									BBitmap *bitmap, char shortcut,
-									uint32 modifiers)
+	BBitmap* bitmap, char shortcut, uint32 modifiers, bool ownership)
 	: 
 	BMenuItem(label, msg, shortcut, modifiers),
-	fBitmap(bitmap)
+	fBitmap(bitmap),
+	fOwnership(ownership)
 {
 }
 
@@ -26,6 +27,7 @@ BitmapMenuItem::BitmapMenuItem(BMessage *data)
 
 BitmapMenuItem::~BitmapMenuItem(void)
 {
+	if (fOwnership == true)
 		delete fBitmap;
 }
 
@@ -107,6 +109,7 @@ BitmapMenuItem::DrawContent(void)
 void
 BitmapMenuItem::SetBitmap(BBitmap *bitmap)
 {
+	if (fOwnership == true)
 		delete fBitmap;
 	fBitmap = bitmap;
 }

libs/libinterface/BitmapMenuItem.h

@@ -11,7 +11,7 @@
 /*
 	BitmapMenuItems are simple little items, really. They provide the
 	ability to show a menu item with some text, a picture, or both. The item
-	takes ownership of the BBitmap given to it, so please do not delete it.
+	optionally takes ownership of the BBitmap given to it.
 	Note that it is still possible to see the checkmark on marked
 	BitmapMenuItems -- the bitmap does not obscure the checkmark.
 */
@@ -20,9 +20,10 @@ class BitmapMenuItem : public BMenuItem {
 public:
 						BitmapMenuItem(const char* label, BMessage* msg,
 							BBitmap* bitmap, char shortcut = 0,
-					uint32 modifiers = 0);
+							uint32 modifiers = 0, bool ownership = true);
 						BitmapMenuItem(BMessage* data);
 	virtual 			~BitmapMenuItem(void);
+
 	virtual	status_t	Archive(BMessage* data, bool deep = true) const;
 	
 	virtual	void		GetContentSize(float* width, float* height);
@@ -34,6 +35,7 @@ public:
 private:
 	BBitmap*		fBitmap;
 	float			fBaselineOffset;
+	bool			fOwnership;
 };
 
 #endif