wxWidgets/include/wx/control.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/control.h
// Purpose: wxControl common interface
// Author: Vadim Zeitlin
// Modified by:
// Created: 26.07.99
// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CONTROL_H_BASE_
#define _WX_CONTROL_H_BASE_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h"
#if wxUSE_CONTROLS
#include "wx/window.h" // base class
extern WXDLLIMPEXP_DATA_CORE(const char) wxControlNameStr[];
// ----------------------------------------------------------------------------
// Ellipsize() constants
// ----------------------------------------------------------------------------
enum wxEllipsizeFlags
{
wxELLIPSIZE_PROCESS_MNEMONICS = 1,
wxELLIPSIZE_EXPAND_TAB = 2,
wxELLIPSIZE_DEFAULT_FLAGS = wxELLIPSIZE_PROCESS_MNEMONICS|wxELLIPSIZE_EXPAND_TAB
};
enum wxEllipsizeMode
{
wxELLIPSIZE_START,
wxELLIPSIZE_MIDDLE,
wxELLIPSIZE_END
};
// ----------------------------------------------------------------------------
// wxControl is the base class for all controls
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxControlBase : public wxWindow
{
public:
wxControlBase() { }
virtual ~wxControlBase();
// Create() function adds the validator parameter
bool Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxControlNameStr);
// get the control alignment (left/right/centre, top/bottom/centre)
int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
virtual void SetLabel(const wxString& label)
{
m_labelOrig = label;
InvalidateBestSize();
wxWindow::SetLabel(label);
}
virtual wxString GetLabel() const
{
// return the original string, as it was passed to SetLabel()
// (i.e. with wx-style mnemonics)
return m_labelOrig;
}
// get just the text of the label, without mnemonic characters ('&')
wxString GetLabelText() const { return GetLabelText(GetLabel()); }
void SetLabelText(const wxString& text)
{
SetLabel(EscapeMnemonics(text));
}
// controls by default inherit the colours of their parents, if a
// particular control class doesn't want to do it, it can override
// ShouldInheritColours() to return false
virtual bool ShouldInheritColours() const { return true; }
// WARNING: this doesn't work for all controls nor all platforms!
//
// simulates the event of given type (i.e. wxButton::Command() is just as
// if the button was clicked)
virtual void Command(wxCommandEvent &event);
virtual bool SetFont(const wxFont& font);
// wxControl-specific processing after processing the update event
virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
// static utilities
// ----------------
// replaces parts of the (multiline) string with ellipsis if needed
static wxString Ellipsize(const wxString& label, const wxDC& dc,
wxEllipsizeMode mode, int maxWidth,
int flags = wxELLIPSIZE_DEFAULT_FLAGS);
// get the string without mnemonic characters ('&')
static wxString GetLabelText(const wxString& label);
// removes the mnemonics characters
static wxString RemoveMnemonics(const wxString& str);
// escapes (by doubling them) the mnemonics
static wxString EscapeMnemonics(const wxString& str);
// return the accel index in the string or -1 if none and puts the modified
// string into second parameter if non NULL
static int FindAccelIndex(const wxString& label,
wxString *labelOnly = NULL);
protected:
// choose the default border for this window
virtual wxBorder GetDefaultBorder() const;
// creates the control (calls wxWindowBase::CreateBase inside) and adds it
// to the list of parents children
bool CreateControl(wxWindowBase *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name);
// initialize the common fields of wxCommandEvent
void InitCommandEvent(wxCommandEvent& event) const;
// Ellipsize() helper:
static wxString DoEllipsizeSingleLine(const wxString& label, const wxDC& dc,
wxEllipsizeMode mode, int maxWidth,
int replacementWidth, int marginWidth);
// this field contains the label in wx format, i.e. with '&' mnemonics
wxString m_labelOrig;
wxDECLARE_NO_COPY_CLASS(wxControlBase);
};
// ----------------------------------------------------------------------------
// include platform-dependent wxControl declarations
// ----------------------------------------------------------------------------
#if defined(__WXUNIVERSAL__)
#include "wx/univ/control.h"
#elif defined(__WXPALMOS__)
#include "wx/palmos/control.h"
#elif defined(__WXMSW__)
#include "wx/msw/control.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/control.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/control.h"
#elif defined(__WXGTK__)
#include "wx/gtk1/control.h"
#elif defined(__WXMAC__)
#include "wx/osx/control.h"
#elif defined(__WXCOCOA__)
#include "wx/cocoa/control.h"
#elif defined(__WXPM__)
#include "wx/os2/control.h"
#endif
#endif // wxUSE_CONTROLS
#endif
// _WX_CONTROL_H_BASE_