gtk2/gdk/win32/gdkim-win32.c

249 lines
5.0 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#if HAVE_CONFIG_H
# include <config.h>
# if STDC_HEADERS
# include <string.h>
# endif
#endif
#include "gdk.h"
#include "gdkprivate.h"
#include "gdki18n.h"
#include "gdkx.h"
/* If this variable is FALSE, it indicates that we should
* avoid trying to use multibyte conversion functions and
* assume everything is 1-byte per character
*/
static gboolean gdk_use_mb;
/*
*--------------------------------------------------------------
* gdk_set_locale
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
gchar*
gdk_set_locale (void)
{
wchar_t result;
gchar *current_locale;
gdk_use_mb = FALSE;
if (!setlocale (LC_ALL,""))
g_warning ("locale not supported by C library");
current_locale = setlocale (LC_ALL, NULL);
if (MB_CUR_MAX > 1)
gdk_use_mb = TRUE;
GDK_NOTE (XIM, g_message ("%s multi-byte string functions.",
gdk_use_mb ? "Using" : "Not using"));
return current_locale;
}
void
gdk_im_begin (GdkIC *ic, GdkWindow* window)
{
}
void
gdk_im_end (void)
{
}
GdkIMStyle
gdk_im_decide_style (GdkIMStyle supported_style)
{
return GDK_IM_PREEDIT_NONE | GDK_IM_STATUS_NONE;
}
GdkIMStyle
gdk_im_set_best_style (GdkIMStyle style)
{
return GDK_IM_PREEDIT_NONE | GDK_IM_STATUS_NONE;
}
gint
gdk_im_ready (void)
{
return FALSE;
}
GdkIC *
gdk_ic_new (GdkICAttr *attr, GdkICAttributesType mask)
{
return NULL;
}
void
gdk_ic_destroy (GdkIC *ic)
{
}
GdkIMStyle
gdk_ic_get_style (GdkIC *ic)
{
return GDK_IM_PREEDIT_NONE | GDK_IM_STATUS_NONE;
}
void
gdk_ic_set_values (GdkIC *ic, ...)
{
}
void
gdk_ic_get_values (GdkIC *ic, ...)
{
}
GdkICAttributesType
gdk_ic_set_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask)
{
return 0;
}
GdkICAttributesType
gdk_ic_get_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask)
{
return 0;
}
GdkEventMask
gdk_ic_get_events (GdkIC *ic)
{
return 0;
}
/*
* gdk_wcstombs
*
* Returns a multi-byte string converted from the specified array
* of wide characters. The string is newly allocated. The array of
* wide characters must be null-terminated. If the conversion is
* failed, it returns NULL.
*/
gchar *
gdk_wcstombs (const GdkWChar *src)
{
gchar *mbstr;
if (gdk_use_mb)
{
gint i, wcsl, mbsl;
wchar_t *src_alt;
for (wcsl = 0; src[wcsl]; wcsl++)
;
src_alt = g_new (wchar_t, wcsl+1);
for (i = wcsl; i >= 0; i--)
src_alt[i] = src[i];
mbsl = WideCharToMultiByte (CP_ACP, 0, src_alt, wcsl,
NULL, 0, NULL, NULL);
mbstr = g_new (guchar, mbsl + 1);
if (!WideCharToMultiByte (CP_ACP, 0, src_alt, wcsl,
mbstr, mbsl, NULL, NULL))
{
g_warning ("gdk_wcstombs: WideCharToMultiByte failed");
g_free (mbstr);
g_free (src_alt);
return NULL;
}
mbstr[mbsl] = '\0';
g_free (src_alt);
}
else
{
gint length = 0;
gint i;
while (src[length] != 0)
length++;
mbstr = g_new (gchar, length + 1);
for (i=0; i<length+1; i++)
mbstr[i] = src[i];
}
return mbstr;
}
/*
* gdk_mbstowcs
*
* Converts the specified string into wide characters, and, returns the
* number of wide characters written. The string 'src' must be
* null-terminated. If the conversion is failed, it returns -1.
*/
gint
gdk_mbstowcs (GdkWChar *dest, const gchar *src, gint dest_max)
{
if (gdk_use_mb)
{
gint i, wcsl;
wchar_t *wcstr;
wcsl = MultiByteToWideChar (CP_ACP, 0, src, -1, NULL, 0);
wcstr = g_new (wchar_t, wcsl + 1);
if (!MultiByteToWideChar (CP_ACP, 0, src, -1, wcstr, wcsl))
{
g_warning ("gdk_mbstowcs: MultiByteToWideChar failed");
g_free (wcstr);
return -1;
}
if (wcsl > dest_max)
wcsl = dest_max;
for (i = 0; i < wcsl; i++)
dest[i] = wcstr[i];
g_free (wcstr);
return wcsl;
}
else
{
gint i;
for (i=0; i<dest_max && src[i]; i++)
dest[i] = src[i];
return i;
}
}