library: libGui
#include "TGComboBox.h" |
TGComboBox
class description - source file - inheritance tree (.pdf)
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 TGLBEntry* FindEntry(const char* s) const
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 ReturnPressed()
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)
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
TGComboBox, TGComboBoxPopup
A combobox (also known as a drop down listbox) allows the selection
of one item out of a list of items. The selected item is visible in
a little window. To view the list of possible items one has to click
on a button on the right of the little window. This will drop down
a listbox. After selecting an item from the listbox the box will
disappear and the newly selected item will be shown in the little
window.
The TGComboBox is user callable. The TGComboBoxPopup is a service
class of the combobox.
Selecting an item in the combobox will generate the event:
kC_COMMAND, kCM_COMBOBOX, combobox id, item id.
TGComboBox(const TGWindow *p, Int_t id, UInt_t options,
ULong_t back) :
TGCompositeFrame (p, 10, 10, options | kOwnBackground, back)
Create a combo box widget.
TGComboBox(const TGWindow *p, const char *text, Int_t id,
UInt_t options, ULong_t back) :
TGCompositeFrame (p, 10, 10, options | kOwnBackground, back)
~TGComboBox()
Delete a combo box widget.
void Init()
init
void DrawBorder()
Draw border of combo box widget.
void SetTopEntry(TGLBEntry *e, TGLayoutHints *lh)
Set a new combo box value (normally update of text string in
fSelEntry is done via fSelEntry::Update()).
void Select(Int_t id)
Make the selected item visible in the combo box window.
Bool_t HandleButton(Event_t *event)
Handle mouse button events in the combo box.
Bool_t HandleDoubleClick(Event_t *event)
handle double click in text entry
Bool_t HandleMotion(Event_t *event)
handle pointer motion in text entry
Bool_t HandleSelection(Event_t *event)
handle selection in text entry
Bool_t HandleSelectionRequest(Event_t *event)
handle selection request in text entry
Bool_t ProcessMessage(Long_t msg, Long_t, Long_t parm2)
Process messages generated by the listbox and forward
messages to the combobox message handling window. Parm2 contains
the id of the selected listbox entry.
void Selected(Int_t widgetId, Int_t id)
Emit signal.
void ReturnPressed()
Add new entry to combo box when return key pressed inside text entry
ReturnPressed signal is emitted.
void SavePrimitive(ofstream &out, Option_t *option)
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
TGLBEntry* FindEntry(const char* s) 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&)
Author: Fons Rademakers 13/01/98
Last update: root/gui:$Name: $:$Id: TGComboBox.cxx,v 1.32 2005/09/05 13:33:08 rdm Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
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