+ vector<PropertyObject *> _liveObjects;
+};
+
+//
+// Custom subclass of puPopup to implement "draggable" windows in the
+// interface. Note that this is a subclass of puPopup, not
+// puDialogBox. Sadly, PUI (mis)uses subclassing to implement a
+// boolean property: modality. That means that we can't implement
+// dragging of both puPopup windows and puDialogBoxes with the same
+// code. Rather than duplicate code, I've chosen to implement only
+// "non-modal dragability" here. Modal dialog boxes (like the exit
+// confirmation) are not draggable.
+//
+class fgPopup : public puPopup {
+public:
+ fgPopup(int x, int y, bool r = true, bool d = true) :
+ puPopup(x, y), _draggable(d), _resizable(r), _dragging(false)
+ {}
+ int checkHit(int b, int up, int x, int y);
+ int checkKey(int key, int updown);
+ int getHitObjects(puObject *, int x, int y);
+ puObject *getKeyObject(puObject *, int key);
+ puObject *getActiveInputField(puObject *);
+ void applySize(puObject *);
+private:
+ enum { LEFT = 1, RIGHT = 2, TOP = 4, BOTTOM = 8 };
+ bool _draggable;
+ bool _resizable;
+ bool _dragging;
+ int _resizing;
+ int _start_cursor;
+ int _cursor;
+ int _dlgX, _dlgY, _dlgW, _dlgH;
+ int _startX, _startY;
+};
+
+
+class fgValueList {
+public:
+ fgValueList(SGPropertyNode *p);
+ virtual ~fgValueList();
+ virtual void update();
+
+protected:
+ char **_list;
+
+private:
+ void make_list();
+ void destroy_list();
+ SGPropertyNode_ptr _props;
+};
+
+
+class fgList : public fgValueList, public puaList, public GUI_ID {
+public:
+ fgList(int x1, int y1, int x2, int y2, SGPropertyNode *p, int sw) :
+ fgValueList(p), puaList(x1, y1, x2, y2, _list, sw), GUI_ID(FGCLASS_LIST) {}
+ void update();
+};
+
+class fgComboBox : public fgValueList, public puaComboBox {
+public:
+ fgComboBox(int x1, int y1, int x2, int y2, SGPropertyNode *p, bool editable) :
+ fgValueList(p), puaComboBox(x1, y1, x2, y2, _list, editable) {}
+};
+
+class fgSelectBox : public fgValueList, public puaSelectBox {
+public:
+ fgSelectBox(int x1, int y1, int x2, int y2, SGPropertyNode *p) :
+ fgValueList(p), puaSelectBox(x1, y1, x2, y2, _list) {}