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///////////////////////////////////////////////////////////////////////////////
// Name: wx/textwrapper.h
// Purpose: declaration of wxTextWrapper class
// Author: Vadim Zeitlin
// Created: 2009-05-31 (extracted from dlgcmn.cpp via wx/private/stattext.h)
// Copyright: (c) 1999, 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_TEXTWRAPPER_H_
#define _WX_TEXTWRAPPER_H_
#include "wx/window.h"
// ----------------------------------------------------------------------------
// wxTextWrapper
// ----------------------------------------------------------------------------
// this class is used to wrap the text on word boundary: wrapping is done by
// calling OnStartLine() and OnOutputLine() functions
class WXDLLIMPEXP_CORE wxTextWrapper
{
public:
wxTextWrapper() { m_eol = false; }
// win is used for getting the font, text is the text to wrap, width is the
// max line width or -1 to disable wrapping
void Wrap(wxWindow *win, const wxString& text, int widthMax);
// we don't need it, but just to avoid compiler warnings
virtual ~wxTextWrapper() { }
protected:
// line may be empty
virtual void OnOutputLine(const wxString& line) = 0;
// called at the start of every new line (except the very first one)
virtual void OnNewLine() { }
private:
// call OnOutputLine() and set m_eol to true
void DoOutputLine(const wxString& line)
{
OnOutputLine(line);
m_eol = true;
}
// this function is a destructive inspector: when it returns true it also
// resets the flag to false so calling it again wouldn't return true any
// more
bool IsStartOfNewLine()
{
if ( !m_eol )
return false;
m_eol = false;
return true;
}
bool m_eol;
wxDECLARE_NO_COPY_CLASS(wxTextWrapper);
};
#if wxUSE_STATTEXT
#include "wx/sizer.h"
#include "wx/stattext.h"
// A class creating a sizer with one static text per line of text. Creation of
// the controls used for each line can be customized by overriding
// OnCreateLine() function.
//
// This class is currently private to wxWidgets and used only by wxDialog
// itself. We may make it public later if there is sufficient interest.
class wxTextSizerWrapper : public wxTextWrapper
{
public:
wxTextSizerWrapper(wxWindow *win)
{
m_win = win;
m_hLine = 0;
}
wxSizer *CreateSizer(const wxString& text, int widthMax)
{
m_sizer = new wxBoxSizer(wxVERTICAL);
Wrap(m_win, text, widthMax);
return m_sizer;
}
wxWindow *GetParent() const { return m_win; }
protected:
virtual wxWindow *OnCreateLine(const wxString& line)
{
return new wxStaticText(m_win, wxID_ANY,
wxControl::EscapeMnemonics(line));
}
virtual void OnOutputLine(const wxString& line)
{
if ( !line.empty() )
{
m_sizer->Add(OnCreateLine(line));
}
else // empty line, no need to create a control for it
{
if ( !m_hLine )
m_hLine = m_win->GetCharHeight();
m_sizer->Add(5, m_hLine);
}
}
private:
wxWindow *m_win;
wxSizer *m_sizer;
int m_hLine;
};
#endif // wxUSE_STATTEXT
#endif // _WX_TEXTWRAPPER_H_
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