wxWidgets/include/wx/gtk/private.h
2008-12-13 17:36:27 +00:00

134 lines
4.6 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk/private.h
// Purpose: wxGTK private macros, functions &c
// Author: Vadim Zeitlin
// Modified by:
// Created: 12.03.02
// RCS-ID: $Id$
// Copyright: (c) 2002 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_PRIVATE_H_
#define _WX_GTK_PRIVATE_H_
#include <gtk/gtk.h>
#include "wx/gtk/private/string.h"
// pango_version_check symbol is quite recent ATM (4/2007)... so we
// use our own wrapper which implements a smart trick.
// Use this function as you'd use pango_version_check:
//
// if (!wx_pango_version_check(1,18,0))
// ... call to a function available only in pango >= 1.18 ...
//
// and use it only to test for pango versions >= 1.16.0
extern const gchar *wx_pango_version_check(int major, int minor, int micro);
#if wxUSE_UNICODE
#define wxGTK_CONV(s) s.utf8_str()
#define wxGTK_CONV_ENC(s, enc) wxGTK_CONV((s))
#define wxGTK_CONV_FONT(s, font) wxGTK_CONV((s))
#define wxGTK_CONV_SYS(s) wxGTK_CONV((s))
#define wxGTK_CONV_BACK(s) wxString::FromUTF8Unchecked(s)
#define wxGTK_CONV_BACK_ENC(s, enc) wxGTK_CONV_BACK(s)
#define wxGTK_CONV_BACK_FONT(s, font) wxGTK_CONV_BACK(s)
#define wxGTK_CONV_BACK_SYS(s) wxGTK_CONV_BACK(s)
#else
#include "wx/font.h"
// convert the text between the given encoding and UTF-8 used by wxGTK
extern WXDLLIMPEXP_CORE wxCharBuffer
wxConvertToGTK(const wxString& s,
wxFontEncoding enc = wxFONTENCODING_SYSTEM);
extern WXDLLIMPEXP_CORE wxCharBuffer
wxConvertFromGTK(const wxString& s,
wxFontEncoding enc = wxFONTENCODING_SYSTEM);
// helper: use the encoding of the given font if it's valid
inline wxCharBuffer wxConvertToGTK(const wxString& s, const wxFont& font)
{
return wxConvertToGTK(s, font.Ok() ? font.GetEncoding()
: wxFONTENCODING_SYSTEM);
}
inline wxCharBuffer wxConvertFromGTK(const wxString& s, const wxFont& font)
{
return wxConvertFromGTK(s, font.Ok() ? font.GetEncoding()
: wxFONTENCODING_SYSTEM);
}
// more helpers: allow passing GTK+ strings directly
inline wxCharBuffer
wxConvertFromGTK(const wxGtkString& gs,
wxFontEncoding enc = wxFONTENCODING_SYSTEM)
{
return wxConvertFromGTK(gs.c_str(), enc);
}
inline wxCharBuffer
wxConvertFromGTK(const wxGtkString& gs, const wxFont& font)
{
return wxConvertFromGTK(gs.c_str(), font);
}
#define wxGTK_CONV(s) wxGTK_CONV_FONT((s), m_font)
#define wxGTK_CONV_ENC(s, enc) wxConvertToGTK((s), (enc))
#define wxGTK_CONV_FONT(s, font) wxConvertToGTK((s), (font))
#define wxGTK_CONV_SYS(s) wxConvertToGTK((s))
#define wxGTK_CONV_BACK(s) wxConvertFromGTK((s), m_font)
#define wxGTK_CONV_BACK_ENC(s, enc) wxConvertFromGTK((s), (enc))
#define wxGTK_CONV_BACK_FONT(s, font) wxConvertFromGTK((s), (font))
#define wxGTK_CONV_BACK_SYS(s) wxConvertFromGTK((s))
#endif
// Some deprecated GTK+ prototypes we still use often
// FIXME: Don't use them if possible.
extern "C" {
// Deprecated since GTK+-1.3.7:
// Trivial wrapper around gtk_window_move, with some side effects we seem to rely on
void gtk_widget_set_uposition (GtkWidget *widget,
gint x,
gint y);
// We rely on the allow_shrink parameter in one place
void gtk_window_set_policy (GtkWindow *window,
gint allow_shrink,
gint allow_grow,
gint auto_shrink);
} // extern "C"
// ----------------------------------------------------------------------------
// various private helper functions
// ----------------------------------------------------------------------------
namespace wxGTKPrivate
{
// these functions create the GTK widgets of the specified types which can then
// used to retrieve their styles, pass them to drawing functions &c
//
// the returned widgets shouldn't be destroyed, this is done automatically on
// shutdown
GtkWidget *GetButtonWidget();
GtkWidget *GetCheckButtonWidget();
GtkWidget *GetComboBoxWidget();
GtkWidget *GetEntryWidget();
GtkWidget *GetHeaderButtonWidget();
GtkWidget *GetRadioButtonWidget();
GtkWidget *GetSplitterWidget();
GtkWidget *GetTextEntryWidget();
GtkWidget *GetTreeWidget();
} // wxGTKPrivate
#endif // _WX_GTK_PRIVATE_H_