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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/combobox.h
// Purpose: wxComboBox class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_COMBOBOX_H_
#define _WX_COMBOBOX_H_
#include "wx/choice.h"
#include "wx/textentry.h"
#if wxUSE_COMBOBOX
// ----------------------------------------------------------------------------
// Combobox control
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxComboBox : public wxChoice,
public wxTextEntry
{
public:
wxComboBox() { Init(); }
wxComboBox(wxWindow *parent, wxWindowID id,
const wxString& value = wxEmptyString,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
int n = 0, const wxString choices[] = NULL,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr)
{
Init();
Create(parent, id, value, pos, size, n, choices, style, validator, name);
}
wxComboBox(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr)
{
Init();
Create(parent, id, value, pos, size, choices, style, validator, name);
}
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value = wxEmptyString,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
int n = 0,
const wxString choices[] = NULL,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr);
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxComboBoxNameStr);
// See wxComboBoxBase discussion of IsEmpty().
bool IsListEmpty() const { return wxItemContainer::IsEmpty(); }
bool IsTextEmpty() const { return wxTextEntry::IsEmpty(); }
// resolve ambiguities among virtual functions inherited from both base
// classes
virtual void Clear();
virtual wxString GetValue() const;
virtual void SetValue(const wxString& value);
virtual wxString GetStringSelection() const
{ return wxChoice::GetStringSelection(); }
virtual void Popup() { MSWDoPopupOrDismiss(true); }
virtual void Dismiss() { MSWDoPopupOrDismiss(false); }
virtual void SetSelection(int n) { wxChoice::SetSelection(n); }
virtual void SetSelection(long from, long to)
{ wxTextEntry::SetSelection(from, to); }
virtual int GetSelection() const { return wxChoice::GetSelection(); }
virtual bool ContainsHWND(WXHWND hWnd) const;
virtual void GetSelection(long *from, long *to) const;
virtual bool IsEditable() const;
// implementation only from now on
virtual bool MSWCommand(WXUINT param, WXWORD id);
bool MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam);
virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
bool MSWShouldPreProcessMessage(WXMSG *pMsg);
// Standard event handling
void OnCut(wxCommandEvent& event);
void OnCopy(wxCommandEvent& event);
void OnPaste(wxCommandEvent& event);
void OnUndo(wxCommandEvent& event);
void OnRedo(wxCommandEvent& event);
void OnDelete(wxCommandEvent& event);
void OnSelectAll(wxCommandEvent& event);
void OnUpdateCut(wxUpdateUIEvent& event);
void OnUpdateCopy(wxUpdateUIEvent& event);
void OnUpdatePaste(wxUpdateUIEvent& event);
void OnUpdateUndo(wxUpdateUIEvent& event);
void OnUpdateRedo(wxUpdateUIEvent& event);
void OnUpdateDelete(wxUpdateUIEvent& event);
void OnUpdateSelectAll(wxUpdateUIEvent& event);
virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
#if wxUSE_UXTHEME
// override wxTextEntry method to work around Windows bug
virtual bool SetHint(const wxString& hint);
#endif // wxUSE_UXTHEME
protected:
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip(wxToolTip *tip);
#endif
virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const;
// Override this one to avoid eating events from our popup listbox.
virtual wxWindow *MSWFindItem(long id, WXHWND hWnd) const;
// this is the implementation of GetEditHWND() which can also be used when
// we don't have the edit control, it simply returns NULL then
//
// try not to use this function unless absolutely necessary (as in the
// message handling code where the edit control might not be created yet
// for the messages we receive during the control creation) as normally
// just testing for IsEditable() and using GetEditHWND() should be enough
WXHWND GetEditHWNDIfAvailable() const;
virtual void EnableTextChangedEvents(bool enable)
{
m_allowTextEvents = enable;
}
private:
// there are the overridden wxTextEntry methods which should only be called
// when we do have an edit control so they assert if this is not the case
virtual wxWindow *GetEditableWindow();
virtual WXHWND GetEditHWND() const;
// common part of all ctors
void Init()
{
m_allowTextEvents = true;
}
// normally true, false if text events are currently disabled
bool m_allowTextEvents;
DECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox)
DECLARE_EVENT_TABLE()
};
#endif // wxUSE_COMBOBOX
#endif // _WX_COMBOBOX_H_
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