TGComboBox

class TGComboBox : public TGCompositeFrame, public TGWidget

    protected:

      virtual void Init()

    public:

                           TGComboBox(const TGWindow* p = 0, Int_t id = -1, UInt_t options = kHorizontalFrame|kSunkenFrame|kDoubleBorder, Pixel_t back = GetWhitePixel())
                           TGComboBox(const TGWindow* p, const char* text, Int_t id = -1, UInt_t options = kHorizontalFrame|kSunkenFrame|kDoubleBorder, Pixel_t back = GetWhitePixel())
                           TGComboBox(const TGComboBox&)
                   virtual ~TGComboBox()
              virtual void AddEntry(TGString* s, Int_t id)
              virtual void AddEntry(const char* s, Int_t id)
              virtual void AddEntry(TGLBEntry* lbe, TGLayoutHints* lhints)
            static TClass* Class()
              virtual void DrawBorder()
       virtual TGDimension GetDefaultSize() const
        virtual TGListBox* GetListBox() const
             virtual Int_t GetNumberOfEntries() const
             virtual Int_t GetSelected() const
        virtual TGLBEntry* GetSelectedEntry() const
      virtual TGTextEntry* GetTextEntry() const
            virtual Bool_t HandleButton(Event_t* event)
            virtual Bool_t HandleDoubleClick(Event_t* event)
            virtual Bool_t HandleMotion(Event_t* event)
            virtual Bool_t HandleSelection(Event_t* event)
            virtual Bool_t HandleSelectionRequest(Event_t* event)
              virtual void InsertEntry(TGString* s, Int_t id, Int_t afterID)
              virtual void InsertEntry(const char* s, Int_t id, Int_t afterID)
              virtual void InsertEntry(TGLBEntry* lbe, TGLayoutHints* lhints, Int_t afterID)
           virtual TClass* IsA() const
            virtual Bool_t ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
              virtual void RemoveEntries(Int_t from_ID, Int_t to_ID)
              virtual void RemoveEntry(Int_t id)
              virtual void SavePrimitive(ofstream& out, Option_t* option)
              virtual void Select(Int_t id)
              virtual void Selected(Int_t widgetId, Int_t id)
              virtual void Selected(Int_t id)
              virtual void Selected(const char* txt)
              virtual void SetTopEntry(TGLBEntry* e, TGLayoutHints* lh)
              virtual void ShowMembers(TMemberInspector& insp, char* parent)
              virtual void Streamer(TBuffer& b)
                      void StreamerNVirtual(TBuffer& b)

Data Members

    protected:

               TGLBEntry* fSelEntry    selected item frame
             TGTextEntry* fTextEntry   text entry
      TGScrollBarElement* fDDButton    button controlling drop down of popup
         TGComboBoxPopup* fComboFrame  popup containing a listbox
               TGListBox* fListBox     the listbox with text items
         const TGPicture* fBpic        down arrow picture used in fDDButton
           TGLayoutHints* fLhs         layout hints for selected item frame
           TGLayoutHints* fLhb         layout hints for fDDButton
           TGLayoutHints* fLhdd        layout hints for fListBox

Class Description

 Create a combo box widget.

 Delete a combo box widget.

 init

 Draw border of combo box widget.

 Set a new combo box value (normally update of text string in
 fSelEntry is done via fSelEntry::Update()).

 Make the selected item visible in the combo box window.

 Handle mouse button events in the combo box.

 handle double click in text entry

 handle pointer motion in text entry

 handle selection  in text entry

 handle selection request in text entry

 Process messages generated by the listbox and forward
 messages to the combobox message handling window. Parm2 contains
 the id of the selected listbox entry.

 Emit signal.

 Save a combo box widget as a C++ statement(s) on output stream out.

Inline Functions

         TGDimension GetDefaultSize() const
                void AddEntry(TGString* s, Int_t id)
                void AddEntry(const char* s, Int_t id)
                void AddEntry(TGLBEntry* lbe, TGLayoutHints* lhints)
                void InsertEntry(TGString* s, Int_t id, Int_t afterID)
                void InsertEntry(const char* s, Int_t id, Int_t afterID)
                void InsertEntry(TGLBEntry* lbe, TGLayoutHints* lhints, Int_t afterID)
                void RemoveEntry(Int_t id)
                void RemoveEntries(Int_t from_ID, Int_t to_ID)
               Int_t GetNumberOfEntries() const
          TGListBox* GetListBox() const
        TGTextEntry* GetTextEntry() const
               Int_t GetSelected() const
          TGLBEntry* GetSelectedEntry() const
                void Selected(Int_t id)
                void Selected(const char* txt)
             TClass* Class()
             TClass* IsA() const
                void ShowMembers(TMemberInspector& insp, char* parent)
                void Streamer(TBuffer& b)
                void StreamerNVirtual(TBuffer& b)
          TGComboBox TGComboBox(const TGComboBox&)