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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/choice.h
// Purpose: wxChoice class
// Author: Julian Smart
// Modified by: Vadim Zeitlin to derive from wxChoiceBase
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CHOICE_H_
#define _WX_CHOICE_H_
struct tagCOMBOBOXINFO;
// ----------------------------------------------------------------------------
// Choice item
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxChoice : public wxChoiceBase
{
public:
// ctors
wxChoice() { Init(); }
virtual ~wxChoice();
wxChoice(wxWindow *parent,
wxWindowID id,
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 = wxChoiceNameStr)
{
Init();
Create(parent, id, pos, size, n, choices, style, validator, name);
}
wxChoice(wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxChoiceNameStr)
{
Init();
Create(parent, id, pos, size, choices, style, validator, name);
}
bool Create(wxWindow *parent,
wxWindowID id,
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 = wxChoiceNameStr);
bool Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxChoiceNameStr);
virtual bool Show(bool show = true);
virtual void SetLabel(const wxString& label);
virtual unsigned int GetCount() const;
virtual int GetSelection() const;
virtual int GetCurrentSelection() const;
virtual void SetSelection(int n);
virtual int FindString(const wxString& s, bool bCase = false) const;
virtual wxString GetString(unsigned int n) const;
virtual void SetString(unsigned int n, const wxString& s);
virtual wxVisualAttributes GetDefaultAttributes() const
{
return GetClassDefaultAttributes(GetWindowVariant());
}
static wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
// MSW only
virtual bool MSWCommand(WXUINT param, WXWORD id);
WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
virtual WXHBRUSH MSWControlColor(WXHDC hDC, WXHWND hWnd);
virtual bool MSWShouldPreProcessMessage(WXMSG *pMsg);
virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
// returns true if the platform should explicitly apply a theme border
virtual bool CanApplyThemeBorder() const { return false; }
protected:
// choose the default border for this window
virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
// common part of all ctors
void Init()
{
m_lastAcceptedSelection =
m_pendingSelection = wxID_NONE;
m_heightOwn = wxDefaultCoord;
}
virtual void DoDeleteOneItem(unsigned int n);
virtual void DoClear();
virtual int DoInsertItems(const wxArrayStringsAdapter& items,
unsigned int pos,
void **clientData, wxClientDataType type);
virtual void DoMoveWindow(int x, int y, int width, int height);
virtual void DoSetItemClientData(unsigned int n, void* clientData);
virtual void* DoGetItemClientData(unsigned int n) const;
// MSW implementation
virtual wxSize DoGetBestSize() const;
virtual void DoGetSize(int *w, int *h) const;
virtual void DoSetSize(int x, int y,
int width, int height,
int sizeFlags = wxSIZE_AUTO);
virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const;
// Show or hide the popup part of the control.
void MSWDoPopupOrDismiss(bool show);
// update the height of the drop down list to fit the number of items we
// have (without changing the visible height)
void MSWUpdateDropDownHeight();
// set the height of the visible part of the control to m_heightOwn
void MSWUpdateVisibleHeight();
// Call GetComboBoxInfo() and return false if it's not supported by this
// system. Notice that the caller must initialize info.cbSize.
bool MSWGetComboBoxInfo(tagCOMBOBOXINFO* info) const;
// create and initialize the control
bool CreateAndInit(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size,
int n, const wxString choices[],
long style,
const wxValidator& validator,
const wxString& name);
// free all memory we have (used by Clear() and dtor)
void Free();
// set the height for simple combo box
int SetHeightSimpleComboBox(int nItems) const;
#if wxUSE_DEFERRED_SIZING
virtual void MSWEndDeferWindowPos();
#endif // wxUSE_DEFERRED_SIZING
// These variables are only used while the drop down is opened.
//
// The first one contains the item that had been originally selected before
// the drop down was opened and the second one the item we should select
// when the drop down is closed again.
int m_lastAcceptedSelection,
m_pendingSelection;
// the height of the control itself if it was set explicitly or
// wxDefaultCoord if it hadn't
int m_heightOwn;
DECLARE_DYNAMIC_CLASS_NO_COPY(wxChoice)
};
#endif // _WX_CHOICE_H_
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